Sandeul

<h2 id="career">Career</h2>
<h3>Pre-debut</h3>
Lee was known to have competed in numerous singing contests prior to training and debut. Lee was approached by a company agent after performing a song by <a href="/facts/Kim_Yeon-woo/j3DMqJwM">Kim Yeon-woo</a> in a talent show. He then underwent a training period of two years.<a class="footnote-ref" id="fnref:1" href="#fn:1">1</a>

<h3>2011: Debut with B1A4</h3>
Main article: <a href="/facts/B1A4/9xBKoNm7">B1A4</a>
After years of training, Lee joined as the main vocalist of <a href="/facts/B1A4/9xBKoNm7">B1A4</a>. On April 11, 2011, WM Entertainment unveiled Lee as the fourth member to be revealed after the release of the news of B1A4 along with <a href="/facts/Jung_Jin-young_(singer)/Bk7Nnu0T">Jinyoung</a>, Baro and Gongchan's pictures. CNU was revealed the next day.<a class="footnote-ref" id="fnref:2" href="#fn:2">2</a>[unreliable source?]<a class="footnote-ref" id="fnref:3" href="#fn:3">3</a>[unreliable source?]<a class="footnote-ref" id="fnref:4" href="#fn:4">4</a>[unreliable source?]<a class="footnote-ref" id="fnref:5" href="#fn:5">5</a><a class="footnote-ref" id="fnref:6" href="#fn:6">6</a>[unreliable source?]
On April 20, 2011, B1A4 released their debut Track "OK" and mini album <a href="/facts/Let%27s_Fly/ERwulqQd">Let's Fly</a> and made their debut on April 23, 2011, on <a href="/facts/Munhwa_Broadcasting_Corporation/2jFpYJuB">MBC</a> <a href="/facts/Show!_Music_Core/P1DbbwFx">Show! Music Core</a>.<a class="footnote-ref" id="fnref:7" href="#fn:7">7</a>[unreliable source?]
After their debut, B1A4 was invited to star in MTV's reality show Match Up with <a href="/facts/Block_B/Yhpl1lL8">Block B</a>.<a class="footnote-ref" id="fnref:8" href="#fn:8">8</a>[unreliable source?] As one of the projects for the show, B1A4 filmed a music video for "Only Learnt The Bad Things (못된 것만 배워서)."<a class="footnote-ref" id="fnref:9" href="#fn:9">9</a>[unreliable source?]

<h3>2012–2014: Musicals and Immortal Songs</h3>
In May 2012, Lee made his musical debut in Brothers Were Brave, as Joo Bong. In addition, alongside some of <a href="/facts/B1A4/9xBKoNm7">B1A4</a> members, he competed on <a href="/facts/Immortal_Songs:_Singing_the_Legend/cRfvDaxb">Immortal Songs</a> number of times. In December, on the Kim Bum Ryong special, he (with <a href="/facts/Baro_(entertainer)/g4stDJ49">Baro</a>) took the trophy for the first time, performing "The Way to Live Like a Man".
In 2013, he entered <a href="/facts/Myongji_University/s9aflsMq">Myongji University</a> as a <a href="/facts/Musical_theatre/KQ2Y35SQ">Musical Theater</a> undergraduate.<a class="footnote-ref" id="fnref:10" href="#fn:10">10</a> Lee continued competing on Immortal Songs. He took his second win on <a href="/facts/Yim_Jae-beom/3UNlmYT9">Yim Jae-beom</a> special, dedicating his performance, "I'm a Candle before You", to his late aunt. In October, Lee was cast for the lead role in the musical The Thousandth Man.
In 2014, Lee was cast for the role of Elvis Presley, in the musical <a href="/facts/All_Shook_Up_(musical)/KdMdIjsV">All Shook Up</a>. The musical is a remake of the 2004 American jukebox musical, created from <a href="/facts/Elvis_Presley/T0RDjznN">Elvis Presley</a>'s songs and based on <a href="/facts/William_Shakespeare/ohI96JTv">William Shakespeare</a>'s <a href="/facts/Twelfth_Night/38Uz8Vgh">Twelfth Night</a>.

<h3>2015–2016: King of Mask Singer, other singing programs and Solo Debut</h3>
In April 2015, Lee competed on Mystery Music Show: <a href="/facts/King_of_Mask_Singer/GuGxswbf">King of Mask Singer</a>. A singing competition program, where masked celebrities sing and their identities are revealed only after being eliminated. Under "Flowering Silky Fowl" stage name he became the runner-up of the first generation and, as a result, gained more recognition for his vocal ability. Afterwards, he joined as a fixed panelist on the program. On episode 17 opening, Lee performed a special duet with his role model, <a href="/facts/Kim_Yeon-woo/j3DMqJwM">Kim Yeon-woo</a>, singing "Is It Still Beautiful?" by <a href="/facts/Toy_(music_group)/4u36sf93">Toy</a>.
Lee got his fourth musical role in July, as Prince Christopher in <a href="/facts/Cinderella_(Rodgers_and_Hammerstein_musical)/pusCfQ1N">Cinderella</a>. 
He also acted in the web drama Loss:Time:Life.
In February 2016, Lee was cast for the role of <a href="/facts/Charles_de_Batz-Castelmore_d%27Artagnan/NVJ4fqkl">D'Artagnan</a> in the musical <a href="/facts/The_Three_Musketeers_(musical)/hjJnaAgc">The Three Musketeers</a>.
Throughout 2016 Lee made numerous appearances on singing competition shows: 
He returned to do a single performance on <a href="/facts/Immortal_Songs:_Singing_the_Legend/cRfvDaxb">Immortal Songs</a> alone, and later that year with <a href="/facts/B1A4/9xBKoNm7">B1A4</a> as a full group for the first time.
In April, Lee made his first appearance on <a href="/facts/Duet_Song_Festival/qNzlgIlb">Duet Song Festival</a> with Jo Seon-young. They have been the first pair to make 3 consecutive wins, and crowned King of Kings on a special episode. He returned to the show to perform a special duet with <a href="/facts/Ken_(VIXX_singer)/55LmmkK1">Ken</a>(<a href="/facts/VIXX/S1S6vlje">VIXX</a>) on episode 28.
In addition, Lee made collaborations on <a href="/facts/JTBC/c2md6KYq">JTBC</a>'s <a href="/facts/Two_Yoo_Project_Sugar_Man/hfNfe0p6">Two Yoo Project Sugar Man</a> and <a href="/facts/Girl_Spirit/q84ynEWK">Girl Spirit</a> with <a href="/facts/Baek_A-yeon/sPz5lHFe">Baek A-yeon</a> and <a href="/facts/Oh_My_Girl/uTySE4BH">Oh My Girl</a>'s Seunghee respectively.
He also returned to <a href="/facts/King_of_Mask_Singer/GuGxswbf">King of Mask Singer</a>, as a guest panelist. 
On October 5, Lee participated in the Special Live: Your Choice! King of Mask Singer – a special live edition that brings back contestants who had been eliminated in previous episodes, and a special Mask King is chosen from live voting. Lee was chosen to be King of the live episode and was able to perform as a challenger in Episode 84. However, on that episode he lost to <a href="/facts/Ali_(South_Korean_singer)/bzxYXIKV">Ali</a> and Kim Dong-myung of <a href="/facts/Boohwal/3vXQElKY">Boohwal</a>.
In October 2016, Lee debuted as a solo artist with extended play Stay As You Are, where he first took part in writing and composing songs.

<h3>2017–2018: Varied activities and Starry Night's DJ</h3>
In February 2017, Lee became the first male idol to be appointed as an honorary ambassador for the presidential election. He was appointed alongside <a href="/facts/Kim_Yeon-woo/j3DMqJwM">Kim Yeon-woo</a>, <a href="/facts/Jung_Ae-ri/j6c0sAjw">Jung Ae-ri</a>, <a href="/facts/Jin_Se-yeon/wrM3HKEA">Jin Se-yeon</a>, <a href="/facts/Jang_Na-ra/dTXE1nVs">Jang Na-ra</a> and <a href="/facts/Yoon_Joo-sang/EyeP7J20">Yoon Joo-sang</a>.<a class="footnote-ref" id="fnref:11" href="#fn:11">11</a>
Later, he joined singer Kim Yeon-woo for a special performance in <a href="/facts/You_Hee-yeol%27s_Sketchbook/2lpwjxyn">You Hee-yeol's Sketchbook</a>, urging people to vote.
<a class="footnote-ref" id="fnref:12" href="#fn:12">12</a> In addition, a video of Kim and Lee performing a remake of the song "As One Says" was released by The National Election Commission.<a class="footnote-ref" id="fnref:13" href="#fn:13">13</a>
In June 2017, Lee returned to <a href="/facts/Immortal_Songs:_Singing_the_Legend/cRfvDaxb">Immortal Songs 2</a> on the Park Mi-kyung special, winning his third trophy with the song "Like a Dandelion Spore". A month later, on Summer Spent Together with Friends special, singing Yim Jae-beom's "Flight" as a duet with actor <a href="/facts/Ahn_Se-ha/qpKa1bvw">Ahn Se-ha</a>, he took his forth trophy.<a class="footnote-ref" id="fnref:14" href="#fn:14">14</a><a class="footnote-ref" id="fnref:15" href="#fn:15">15</a> At the end of that year Lee and Ahn participated in Best of the Best Competition special.<a class="footnote-ref" id="fnref:16" href="#fn:16">16</a>
On July 6, 2017, the song "Oppa", a collaboration of Lee and <a href="/facts/Yoo_Seung-woo/QUgKG92b">Yoo Seung-woo</a>, was released.<a class="footnote-ref" id="fnref:17" href="#fn:17">17</a> In August, Lee featured in <a href="/facts/Primary_(musician)/8PxpgmwV">Primary</a>'s Pop EP.<a class="footnote-ref" id="fnref:18" href="#fn:18">18</a>
In August 2017, Lee was confirmed to play the male lead in the musical "Thirty Something".<a class="footnote-ref" id="fnref:19" href="#fn:19">19</a>
Lee first participated in creating <a href="/facts/B1A4/9xBKoNm7">B1A4</a>'s album, co-writing and co-composing the song "Like a Child", in the EP <a href="/facts/Rollin%27_(B1A4_EP)/y7HnTK1c">Rollin'</a>.
On July 6, 2018, Lee was announced to be the 26th DJ for MBC's late night radio show "Starry Night" starting on July 9.<a class="footnote-ref" id="fnref:20" href="#fn:20">20</a><a class="footnote-ref" id="fnref:21" href="#fn:21">21</a>
In August 2018, Lee was cast to play in the musical <a href="/facts/Man_in_the_Iron_Mask/G1g51BcV">"Iron Mask"</a>, taking the dual part of the twins Louis and Philippe.<a class="footnote-ref" id="fnref:22" href="#fn:22">22</a>

<h3>2019–present: Solo ventures</h3>
In March 2019, Lee participated in KBS2's In Sync\Kiss, a duet matching show.<a class="footnote-ref" id="fnref:23" href="#fn:23">23</a> Partnered with rapper <a href="/facts/DinDin/d3cCRte3">DinDin</a> singing <a href="/facts/Lee_Hi/UnCzTAt0">Lee Hi</a>'s "Breathe" they won.<a class="footnote-ref" id="fnref:24" href="#fn:24">24</a>
During April and May 2019, <a href="/facts/WM_Entertainment/5PCs1cke">WM Entertainment</a> announced Lee is preparing for his first solo comeback,<a class="footnote-ref" id="fnref:25" href="#fn:25">25</a> with his second EP to be released on June 3.<a class="footnote-ref" id="fnref:26" href="#fn:26">26</a><a class="footnote-ref" id="fnref:27" href="#fn:27">27</a> In addition, Lee's agency informed he would hold his first Japanese and Korean solo concerts in June.
In November 2019, Lee reprised his role in the musical "Iron Mask". In February 2020, Lee took the supporting role of Clive Owen in the musical "Sherlock Holmes: The Missing Children".<a class="footnote-ref" id="fnref:28" href="#fn:28">28</a>
On December 29, 2019, Lee received an Excellence Award for his work as a DJ in the radio show "Starry Night".<a class="footnote-ref" id="fnref:29" href="#fn:29">29</a> On May 10, 2020, after a year and ten months, Lee stepped down as the host of the radio show.<a class="footnote-ref" id="fnref:30" href="#fn:30">30</a>
For the first time, as a part of the variety program My Music Teacher, Mingalabar, Lee alongside his co-stars (<a href="/facts/Yoon_Do-hyun/NmsmlSow">Yoon Do-hyun</a>, <a href="/facts/Sandara_Park/FxndoFpA">Sandara Park</a>, <a href="/facts/Kim_Jae-hwan_(singer)/vLDx2XeQ">Kim Jae-hwan</a>, <a href="/facts/JooE/yKLvsaWV">JooE</a> and Yoo Jae-hwan) created children's songs.
On May 27, 2020, "Lazy Me" was released,<a class="footnote-ref" id="fnref:31" href="#fn:31">31</a> the first song of what meant to be three part series of digital singles project called "생각집" (lit. House of Thoughts), and was followed by "Smile Box" on July 2.<a class="footnote-ref" id="fnref:32" href="#fn:32">32</a> On August 5, My Little Thought Ep.01, Lee's third EP, was released as part three of the series, including the previous singles and "Summer Day Summer Night" as the title track.<a class="footnote-ref" id="fnref:33" href="#fn:33">33</a> On July 20, 2020, Lee released a remake of Saevom's "Slightly Tipsy" as a soundtrack to the popular webtoon She is My Type. The remake became Lee's best-charting song to date, peaking at second on both the monthly <a href="/facts/Gaon_Digital_Chart/yBHPme7P">Gaon Digital Chart</a><a class="footnote-ref" id="fnref:34" href="#fn:34">34</a> and <a href="/facts/Billboard_(magazine)/CVruQGq5">Billboard</a>'s <a href="/facts/K-pop_Hot_100/6cm5xo88">K-pop Hot 100</a> singles chart.<a class="footnote-ref" id="fnref:35" href="#fn:35">35</a> On April 8, 2021, "Slightly Tipsy" received a platinum certification for streaming by <a href="/facts/List_of_certified_songs_in_South_Korea/4K9gHuty">Gaon</a>.<a class="footnote-ref" id="fnref:36" href="#fn:36">36</a>
In April 2021, Lee was confirmed to play the lead role in the musical "1976 Harlan County", that is based on the American documentary film <a href="/facts/Harlan_County,_USA/mqhgW4nA">Harlan County, USA</a>.<a class="footnote-ref" id="fnref:37" href="#fn:37">37</a>

<h2 id="personal-life">Personal life</h2>
<h3>Military service</h3>
Sandeul enlisted in the <a href="/facts/Conscription_in_South_Korea/Q2evqGPs">mandatory military service</a> on November 11, 2021. After completing five weeks of compulsory training, Sandeul served as a social worker.<a class="footnote-ref" id="fnref:38" href="#fn:38">38</a> He was discharged from military service on August 10, 2023.<a class="footnote-ref" id="fnref:39" href="#fn:39">39</a>

<h2 id="discography">Discography</h2>
Main article: <a href="/facts/B1A4_discography/Gq6ghTqH">B1A4 discography</a>
<h3>Extended plays</h3>
<table><tbody><tr><th rowspan="2" scope="col">Title</th><th rowspan="2" scope="col">Details</th><th scope="col" colspan="2">Peak chart positions</th><th rowspan="2" scope="col">Sales</th></tr><tr><th scope="col"><a href="/facts/Gaon_Album_Chart/ewrCjG6d">KOR</a><a class="footnote-ref" id="fnref:40" href="#fn:40">40</a></th><th scope="col"><a href="/facts/Oricon_Albums_Chart/s7n7okvW">JPN</a><a class="footnote-ref" id="fnref:41" href="#fn:41">41</a></th></tr><tr><th scope="row">Stay As You Are</th><td><ul><li>Released: October 4, 2016</li><li>Label: <a href="/facts/WM_Entertainment/5PCs1cke">WM Entertainment</a>, <a href="/facts/LOEN_Entertainment/eprxCtLy">LOEN Entertainment</a></li><li>Formats: CD, digital download</li></ul></td><td>5</td><td>—</td><td><ul><li>KOR: 25,411<a class="footnote-ref" id="fnref:42" href="#fn:42">42</a></li></ul></td></tr><tr><th scope="row">One Fine Day</th><td><ul><li>Released: June 3, 2019</li><li>Label: WM Entertainment, <a href="/facts/Kakao_M/eprxCtLy">Kakao M</a></li><li>Formats: CD, digital download</li></ul></td><td>9</td><td>48</td><td><ul><li>KOR: 13,931<a class="footnote-ref" id="fnref:43" href="#fn:43">43</a></li></ul></td></tr><tr><th scope="row">My Little Thought Ep.01</th><td><ul><li>Released: August 5, 2020</li><li>Label: WM Entertainment, Sony Music</li><li>Formats: CD, digital download</li></ul></td><td>7</td><td>23</td><td><ul><li>KOR: 11,431<a class="footnote-ref" id="fnref:44" href="#fn:44">44</a></li><li>JPN: 1,440<a class="footnote-ref" id="fnref:45" href="#fn:45">45</a></li></ul></td></tr></tbody></table>
<h3>Singles</h3>
<h4>As lead artist</h4>
<table><tbody><tr><th scope="col" rowspan="2">Title</th><th scope="col" rowspan="2">Year</th><th scope="col" colspan="1">Peak chart positions</th><th scope="col" rowspan="2">Sales</th><th scope="col" rowspan="2">Album</th></tr><tr><th scope="col"><a href="/facts/Gaon_Chart/WrlAkP1o">KOR</a><a class="footnote-ref" id="fnref:46" href="#fn:46">46</a></th></tr><tr><th scope="row">"Stay As You Are" (그렇게 있어 줘)</th><td>2016</td><td>21</td><td><ul><li>KOR: 123,201+<a class="footnote-ref" id="fnref:47" href="#fn:47">47</a></li></ul></td><td>Stay As You Are</td></tr><tr><th scope="row">"One Fine Day" (날씨 좋은 날)</th><td>2019</td><td>161</td><td rowspan="5">—</td><td>One Fine Day</td></tr><tr><th scope="row">"Lazy Me" (게으른 나)</th><td rowspan="3">2020</td><td>—<a class="footnote-ref" id="fnref:48" href="#fn:48">48</a></td><td rowspan="3">My Little Thought Ep.01</td></tr><tr><th scope="row">"Smile Box" (작은 상자)</th><td>—<a class="footnote-ref" id="fnref:49" href="#fn:49">49</a></td></tr><tr><th scope="row">"Summer Day Summer Night" (여름날 여름밤)</th><td>—<a class="footnote-ref" id="fnref:50" href="#fn:50">50</a></td></tr><tr><th scope="row">"More Than Words"</th><td>2021</td><td>115</td><td>Single</td></tr><tr><td colspan="6">"—" denotes releases that did not chart or were not released in that region.</td></tr></tbody></table>
<h4>As featured artist</h4>
<table><tbody><tr><th scope="col" rowspan="2">Title</th><th scope="col" rowspan="2">Year</th><th scope="col" colspan="1">Peak chart positions</th><th scope="col" rowspan="2">Sales</th><th scope="col" rowspan="2">Album</th></tr><tr><th scope="col"><a href="/facts/Gaon_Chart/WrlAkP1o">KOR</a><a class="footnote-ref" id="fnref:51" href="#fn:51">51</a></th></tr><tr><th scope="row">"Pick Up" (<a href="/facts/Primary_(musician)/8PxpgmwV">Primary</a> feat. Sandeul)</th><td>2017</td><td>81</td><td><ul><li>KOR: 30,977<a class="footnote-ref" id="fnref:52" href="#fn:52">52</a></li></ul></td><td>Pop</td></tr><tr><th scope="row">"Breathe" (<a href="/facts/DinDin/d3cCRte3">DinDin</a> feat. Sandeul)</th><td>2019</td><td>—</td><td>—</td><td>Goodbye My Twenties</td></tr><tr><td colspan="6">"—" denotes releases that did not chart or were not released in that region.</td></tr></tbody></table>
<h4>Collaborations</h4>
<table><tbody><tr><th scope="col" rowspan="2">Title</th><th scope="col" rowspan="2">Year</th><th scope="col" colspan="1">Peak chart positions</th><th scope="col" rowspan="2">Sales</th><th scope="col" rowspan="2">Album</th></tr><tr><th scope="col"><a href="/facts/Gaon_Chart/WrlAkP1o">KOR</a><a class="footnote-ref" id="fnref:53" href="#fn:53">53</a></th></tr><tr><th scope="row">"Oppa" (<a href="/facts/Yoo_Seung-woo/QUgKG92b">Yoo Seung-woo</a> X Sandeul)</th><td>2017</td><td>40</td><td><ul><li>KOR: 66,407+<a class="footnote-ref" id="fnref:54" href="#fn:54">54</a></li></ul></td><td rowspan="5">Single</td></tr><tr><th scope="row">"Because We Are Connected" (<a href="/facts/Yang_Yo-seob/4WB9V3xJ">Yang Yo-seob</a>, Sandeul, <a href="/facts/Jung_Seung-hwan_(singer)/HEQpLML9">Jung Seung-hwan</a>)</th><td>2018</td><td>—</td><td rowspan="4">—</td></tr><tr><th scope="row">"I Miss You" (<a href="/facts/Cookie_Run/9HUP8Ajr">CookieBox</a> X Sandeul)</th><td>2021</td><td>—<a class="footnote-ref" id="fnref:55" href="#fn:55">55</a></td></tr><tr><th scope="row">"It's Alright" (<a href="/facts/Ahn_Se-ha/qpKa1bvw">Ahn Se-ha</a> with Sandeul)</th><td>2022</td><td>—<a class="footnote-ref" id="fnref:56" href="#fn:56">56</a></td></tr><tr><th scope="row">"366 Days" HELLO! WM_V(Sandeul, <a href="/facts/Hyojung/fh7VVL7y">Hyojung</a>, <a href="/facts/ONF_(band)/NyMVnagC">Hyojin</a>)</th><td>2024</td><td>—</td></tr><tr><td colspan="6">"—" denotes releases that did not chart or were not released in that region.</td></tr></tbody></table>
<h3>Other charted songs</h3>
<table><tbody><tr><th scope="col" rowspan="2">Title</th><th scope="col" rowspan="2">Year</th><th scope="col" colspan="1">Peak chart positions</th><th scope="col" rowspan="2">Sales</th><th scope="col" rowspan="2">Album</th></tr><tr><th scope="col"><a href="/facts/Gaon_Chart/WrlAkP1o">KOR</a><a class="footnote-ref" id="fnref:57" href="#fn:57">57</a></th></tr><tr><th scope="row">"Ya!" (feat. <a href="/facts/Wheein_(singer)/jabPmszK">Wheein</a> of <a href="/facts/Mamamoo/VW0LM1tq">Mamamoo</a>)</th><td rowspan="3">2016</td><td rowspan="3">—<a class="footnote-ref" id="fnref:58" href="#fn:58">58</a></td><td><ul><li>KOR: 22,709+<a class="footnote-ref" id="fnref:59" href="#fn:59">59</a></li></ul></td><td rowspan="3">Stay As You Are</td></tr><tr><th scope="row">"The Way With You"</th><td><ul><li>KOR: 18,158+</li></ul></td></tr><tr><th scope="row">"Home"</th><td><ul><li>KOR: 18,072+</li></ul></td></tr><tr><td colspan="6">"—" denotes releases that did not chart or were not released in that region.</td></tr></tbody></table>
<h3>Soundtrack appearances</h3>
<table><tbody><tr><th scope="col" rowspan="2">Title</th><th scope="col" rowspan="2">Year</th><th scope="col" colspan="2">Peak chart positions</th><th scope="col" rowspan="2">Sales</th><th scope="col" rowspan="2">Album</th></tr><tr><th scope="col"><a href="/facts/Gaon_Chart/WrlAkP1o">KOR</a><a class="footnote-ref" id="fnref:60" href="#fn:60">60</a></th><th scope="col"><a href="/facts/K-pop_Hot_100/6cm5xo88">KORHot</a><a class="footnote-ref" id="fnref:61" href="#fn:61">61</a></th></tr><tr><th scope="row">"Because It Hurts" (아파서)</th><td>2014</td><td>51</td><td>—</td><td><ul><li>KOR: 37,728<a class="footnote-ref" id="fnref:62" href="#fn:62">62</a></li></ul></td><td><a href="/facts/God%27s_Gift:_14_Days/ps5JWBQ4">God's Gift: 14 Days</a> OST</td></tr><tr><th scope="row">"Swallowing My Heart" (마음을 삼킨다)</th><td>2016</td><td>22</td><td>—</td><td><ul><li>KOR: 138,514<a class="footnote-ref" id="fnref:63" href="#fn:63">63</a></li></ul></td><td><a href="/facts/Love_in_the_Moonlight/KNXcpJov">Love in the Moonlight</a> OST</td></tr><tr><th scope="row">"One More Step" (한 걸음만 더)</th><td rowspan="2">2017</td><td>—<a class="footnote-ref" id="fnref:64" href="#fn:64">64</a></td><td>—</td><td><ul><li>KOR: 14,624<a class="footnote-ref" id="fnref:65" href="#fn:65">65</a></li></ul></td><td><a href="/facts/Introverted_Boss/JnEfSoBh">Introverted Boss</a> OST</td></tr><tr><th scope="row">"Tell Me" (말해줘)</th><td>—</td><td>—</td><td rowspan="14">—</td><td><a href="/facts/Manhole_(TV_series)/Wx5USmCh">Manhole</a> OST</td></tr><tr><th scope="row">"Other World"</th><td rowspan="2">2018</td><td>—</td><td>—</td><td><a href="/facts/Bad_Guys_2/jDgAnExd">Bad Guys 2</a> OST</td></tr><tr><th scope="row">"Here I Am"</th><td>—</td><td>—</td><td><a href="/facts/Lovely_Horribly/3Fvlde10">Lovely Horribly</a> OST</td></tr><tr><th scope="row">"Fly High" (날아올라)</th><td rowspan="3">2019</td><td>—</td><td>—</td><td><a href="/facts/The_Secret_Life_of_My_Secretary/HtQcXmDE">The Secret Life of My Secretary</a> OST</td></tr><tr><th scope="row">"Lingering Inside Me" (내 안에 맴돌아)</th><td>—</td><td>—</td><td><a href="/facts/The_Tale_of_Nokdu/rRrTYFL3">The Tale of Nokdu</a> OST</td></tr><tr><th scope="row">"Hope to Reach You" (너에게 닿기를)</th><td>—</td><td>—</td><td>Wannabe Challenge (game) OST</td></tr><tr><th scope="row">"Slightly Tipsy" (취기를 빌려)</th><td rowspan="3">2020</td><td>2</td><td>2</td><td>She is My Type (webtoon)</td></tr><tr><th scope="row">"Lonesome Diary" (어른 일기)</th><td>194</td><td>—</td><td><a href="/facts/Start-Up_(South_Korean_TV_series)/U2gEwqzt">Start-Up</a> OST</td></tr><tr><th scope="row">"Dark Tales"</th><td>—</td><td>—</td><td>Underworld (game) OST</td></tr><tr><th scope="row">"I Feel You" (만져져)</th><td rowspan="3">2021</td><td>—<a class="footnote-ref" id="fnref:66" href="#fn:66">66</a></td><td>—</td><td><a href="/facts/She_Would_Never_Know/hrppkYG3">She Would Never Know</a> OST</td></tr><tr><th scope="row">"The One And Only You" (그대 한 사람)</th><td>113</td><td>—</td><td>The Moon During the Day (webtoon)</td></tr><tr><th scope="row">"The Image of You (Remains in My Memory)" (내 기억 속에 남아있는 그대 모습은)</th><td>45</td><td>—</td><td><a href="/facts/Hometown_Cha-Cha-Cha/B7M40Nfc">Hometown Cha-Cha-Cha</a> OST</td></tr><tr><th scope="row">"You're leaving like the season" (너는 계절처럼 멀어져 가네)</th><td>2023</td><td>—<a class="footnote-ref" id="fnref:67" href="#fn:67">67</a></td><td>—</td><td><a href="/facts/Castaway_Diva/tJrCuYdr">Castaway Diva</a> OST</td></tr><tr><th scope="row">"Butterfly"</th><td>2024</td><td>—</td><td>—</td><td><a href="/facts/Wedding_Impossible/kM9rfYdP">Wedding Impossible</a> OST</td></tr><tr><td colspan="6">"—" denotes releases that did not chart or were not released in that region.</td></tr></tbody></table>
<h3>Production and songwriting credits</h3>
<table><tbody><tr><th rowspan="2">Year</th><th rowspan="2">Album</th><th rowspan="2">Artist</th><th rowspan="2">Song</th><th colspan="2">Lyrics</th><th colspan="2">Music</th></tr><tr><th>Credited</th><th>With/other</th><th>Credited</th><th>With/other</th></tr><tr><td rowspan="2">2016</td><td rowspan="2">Stay As You Are</td><td rowspan="2">Sandeul</td><td>"My Childhood Story"</td><td>Yes</td><td>—</td><td>No</td><td>Yook Joong Wan</td></tr><tr><td>"Ya!" (feat. Wheein)</td><td>Yes</td><td>RWAM, Moon Minseok</td><td>Yes</td><td>RWAM, Moon Minseok</td></tr><tr><td>2017</td><td><a href="/facts/Rollin%27_(B1A4_EP)/y7HnTK1c">Rollin'</a></td><td rowspan="2">B1A4</td><td>"Like A Child"</td><td>Yes</td><td>Team Columbus, <a href="/facts/Baro_(entertainer)/g4stDJ49">Baro</a></td><td>Yes</td><td>Team Columbus</td></tr><tr><td>2018</td><td>5</td><td>"Humming Bird"</td><td>Yes</td><td>Team Columbus, SoichiroK</td><td>Yes</td><td>Team Columbus</td></tr><tr><td rowspan="4">2019</td><td rowspan="3">One Fine Day</td><td rowspan="3">Sandeul</td><td>"This Love"</td><td>Yes</td><td>—</td><td>Yes</td><td><a href="/facts/Antti_Hynninen_(musician)/0crBH2Ta">Antti Hynninen</a>, Will Church</td></tr><tr><td>"Love, Always You" (with Gongchan)</td><td>Yes</td><td>Moon Jungkyu, Kim Junseop</td><td>No</td><td>Moon Jungkyu, Kim Junseop</td></tr><tr><td>"I'm Fine"</td><td>Yes</td><td>Team Columbus</td><td>Yes</td><td>Team Columbus</td></tr><tr><td>Goodbye My Twenties</td><td><a href="/facts/DinDin/d3cCRte3">DinDin</a></td><td>"Breathe" (feat. Sandeul)</td><td>Yes</td><td>DinDin, Coup D'État</td><td>Yes</td><td>DinDin, Coup D'État, JUNIK</td></tr><tr><td rowspan="10">2020</td><td rowspan="5">My Little Thought Ep.01</td><td rowspan="5">Sandeul</td><td>"Summer Day Summer Night"</td><td>Yes</td><td>—</td><td>Yes</td><td>Moon Jungkyu</td></tr><tr><td>"Letter"</td><td>Yes</td><td>Team Columbus</td><td>Yes</td><td>Team Columbus</td></tr><tr><td>"Smile Box"</td><td>Yes</td><td>—</td><td>Yes</td><td><a href="/facts/Wouter_Hamel/MEur5HdU">Wouter Hamel</a>, Moon Jungkyu</td></tr><tr><td>"Lazy Me"</td><td>Yes</td><td>Team Columbus</td><td>Yes</td><td>Team Columbus</td></tr><tr><td>"Thank you"</td><td>Yes</td><td>Hen</td><td>Yes</td><td>Hen</td></tr><tr><td rowspan="5"><a href="/facts/Origine/F7Tn36C7">Origine</a></td><td rowspan="9">B1A4</td></tr><tr><td>"Diving"</td><td>No</td><td><a href="/facts/CNU_(singer)/sas1Lu7C">CNU</a>, RWAM</td><td>Yes</td><td><a href="/facts/CNU_(singer)/sas1Lu7C">CNU</a>, RWAM</td></tr><tr><td>"Water Drop"</td><td>Yes</td><td>Team Columbus</td><td>Yes</td><td>Team Columbus</td></tr><tr><td>"Plodding"</td><td>Yes</td><td>Team Columbus</td><td>Yes</td><td>Team Columbus</td></tr><tr><td>"For BANA"</td><td>Yes</td><td><a href="/facts/CNU_(singer)/sas1Lu7C">CNU</a>, <a href="/facts/Gongchan/d9M4wPs5">Gongchan</a>, RWAM</td><td>Yes</td><td><a href="/facts/CNU_(singer)/sas1Lu7C">CNU</a>, RWAM, Cheong Wangee</td></tr><tr><td rowspan="2">2021</td><td rowspan="2">Single</td><td>"10 TIMES"</td><td>Yes</td><td>CNU, Gongchan</td><td>No</td><td>CNU, RWAM</td></tr><tr><td>"Adore you"</td><td>Yes</td><td>RWAM</td><td>Yes</td><td>RWAM, Cheong Wangee</td></tr><tr><td rowspan="2">2024</td><td rowspan="2">CONNECT</td><td>"When You Call My Name"</td><td>Yes</td><td>Team Columbus</td><td>Yes</td><td>Team Columbus</td></tr><tr><td>"Still In My Heart"</td><td>Yes</td><td>CNU, Gongchan</td><td>Yes</td><td>Team Columbus</td></tr></tbody></table>
<h2 id="filmography">Filmography</h2>
<h3>Television dramas</h3>
<ul><li>2015: <a href="/facts/Naver/LSuHIzQj">Naver TV</a> Loss: Time: Life – Min-soo</li>
<li>2020: <a href="/facts/Munhwa_Broadcasting_Corporation/2jFpYJuB">MBC</a> Lonely Enough to Love – Patient (Cameo in Ep. 1)</li></ul>
<h3>Musical theater</h3>
<table><tbody><tr><th>Year</th><th>Title</th><th>Role</th></tr><tr><td>2012</td><td>Brother Were Brave</td><td>Lee Joong-bong</td></tr><tr><td>2013</td><td>The Thousandth Man</td><td>Kim Eung-suk</td></tr><tr><td>2014</td><td>All Shook Up</td><td><a href="/facts/Elvis_Presley/T0RDjznN">Elvis</a></td></tr><tr><td>2015</td><td><a href="/facts/Cinderella_(Rodgers_and_Hammerstein_musical)/pusCfQ1N">Cinderella</a></td><td>Prince Christopher</td></tr><tr><td>2016</td><td><a href="/facts/The_Three_Musketeers_(musical)/hjJnaAgc">The Three Musketeers</a></td><td><a href="/facts/D%27Artagnan/NVJ4fqkl">d'Artagnan</a></td></tr><tr><td>2017</td><td>Thirty Something</td><td>young Hyun-sik</td></tr><tr><td>2018</td><td rowspan="2">Iron Mask</td><td rowspan="2">King Louis XIV/Philippe</td></tr><tr><td>2019</td></tr><tr><td>2020</td><td>Sherlock Holmes: The Missing Children</td><td>Clive Owen</td></tr><tr><td>2021</td><td>1976 Harlan County</td><td>Daniel</td></tr></tbody></table>
<h2 id="concerts">Concerts</h2>
<ul><li>2019: HIBIKI (Japan)</li>
<li>2019: Wind Forest (Korea)</li></ul>
<h2 id="awards-and-nominations">Awards and nominations</h2>

<table><tbody><tr><th>Year</th><th>Award</th><th>Category</th><th>Nominated work</th><th>Result</th></tr><tr><td>2014</td><td>16th <a href="/facts/Seoul_International_Youth_Film_Festival/gpQxKVCL">Seoul International Youth Film Festival</a></td><td>Best OST by a Male Artist</td><td>"Because It Hurts" (<a href="/facts/God%27s_Gift:_14_Days/ps5JWBQ4">God's Gift: 14 Days</a> OST)</td><td>Nominated</td></tr><tr><td>2015</td><td>2015 <a href="/facts/MBC_Entertainment_Awards/I5aXrF3n">MBC Entertainment Awards</a></td><td>Best Male Rookie in Music\Talk Show</td><td>King of Masked Singer</td><td>Nominated</td></tr><tr><td>2019</td><td><a href="/facts/2019_MBC_Entertainment_Awards/NsjpB5UI">2019 MBC Entertainment Awards</a></td><td>Excellence in Radio</td><td>Sandeul's Starry Night</td><td>Won</td></tr><tr><td>2020</td><td><a href="/facts/2020_Mnet_Asian_Music_Awards/wNVMPuzc">2020 Mnet Asian Music Awards</a></td><td><a href="/facts/Mnet_Asian_Music_Award_for_Best_OST/VBqHt331">Best OST</a></td><td>"Slightly Tipsy" (She is My Type OST)</td><td>Nominated</td></tr><tr><td>2021</td><td><a href="/facts/30th_Seoul_Music_Awards/krloTErc">30th Seoul Music Awards</a></td><td>Best Ballad</td><td>"Slightly Tipsy"</td><td>Won</td></tr><tr><td>2022</td><td><a href="/facts/31st_Seoul_Music_Awards/My1sFr6q">31st Seoul Music Awards</a></td><td>Best OST</td><td>"The Image of You (Remains in My Memory)" (<a href="/facts/Hometown_Cha-Cha-Cha/B7M40Nfc">Hometown Cha-Cha-Cha</a> OST)</td><td>Nominated</td></tr></tbody></table>
<h2 id="notes">Notes</h2>

<h2 id="external-links">External links</h2>
<ul><li><a href="http://www.wment.co.kr/artist/artist_main.php?idx=42">Sandeul</a> at <a href="/facts/WM_Entertainment/5PCs1cke">WM Entertainment</a></li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1">(in Korean) 지방돌 비원에이포(B1A4) "친근함으로 무장했어요"(인터뷰) : 네이트 뉴스 Archived November 2, 2015, at the Wayback Machine. News.nate.com (June 20, 2011). Retrieved on August 13, 2013. <a href="http://news.nate.com/view/20110620n18554" target="_blank">http://news.nate.com/view/20110620n18554</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></li>
<li id="fn:2">Upcoming boyband 'B1A4' introduced through webtoon series Archived February 19, 2017, at the Wayback Machine. allkpop.com (April 11, 2011). Retrieved on August 13, 2013. <a href="http://www.allkpop.com/article/2011/04/upcoming-boyband-b1a4-introduced-through-webtoon-series" target="_blank">http://www.allkpop.com/article/2011/04/upcoming-boyband-b1a4-introduced-through-webtoon-series</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></li>
<li id="fn:3">B1A4 reveals second member, Baro! Archived March 10, 2022, at the Wayback Machine. allkpop.com (April 11, 2011). Retrieved on August 13, 2013. <a href="http://www.allkpop.com/article/2011/04/b1a4-reveals-second-member-baro" target="_blank">http://www.allkpop.com/article/2011/04/b1a4-reveals-second-member-baro</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></li>
<li id="fn:4">B1A4 reveals third member, Gongchan! Archived March 10, 2022, at the Wayback Machine. allkpop.com (April 12, 2011). Retrieved on August 13, 2013. <a href="http://www.allkpop.com/article/2011/04/b1a4-reveals-third-member-gongchan" target="_blank">http://www.allkpop.com/article/2011/04/b1a4-reveals-third-member-gongchan</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></li>
<li id="fn:5">B1A4 reveals their fourth member, Sandeul! Archived August 20, 2022, at the Wayback Machine. allkpop.com (April 13, 2011). Retrieved on August 13, 2013. <a href="http://www.allkpop.com/article/2011/04/b1a4-reveals-their-fourth-member-sandeul" target="_blank">http://www.allkpop.com/article/2011/04/b1a4-reveals-their-fourth-member-sandeul</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></li>
<li id="fn:6">B1A4 reveals their final member, CNU! Archived March 10, 2022, at the Wayback Machine. allkpop.com (April 14, 2011). Retrieved on August 13, 2013. <a href="http://www.allkpop.com/article/2011/04/b1a4-reveals-their-final-member-cnu" target="_blank">http://www.allkpop.com/article/2011/04/b1a4-reveals-their-final-member-cnu</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></li>
<li id="fn:7">B1A4 reveals MV for debut title track, "OK" + mini album Archived April 18, 2020, at the Wayback Machine. allkpop.com (April 20, 2011). Retrieved on August 13, 2013. <a href="http://www.allkpop.com/article/2011/04/b1a4-reveals-mv-for-debut-title-track-ok-mini-album" target="_blank">http://www.allkpop.com/article/2011/04/b1a4-reveals-mv-for-debut-title-track-ok-mini-album</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></li>
<li id="fn:8">Block B & B1A4 to hold a battle of charms on MTV's new reality show, "Match Up" Archived March 15, 2023, at the Wayback Machine. allkpop.com (June 13, 2011). Retrieved on August 13, 2013. <a href="http://www.allkpop.com/article/2011/06/block-b-b1a4-to-hold-a-battle-of-charms-on-mtvs-new-reality-show-match-up" target="_blank">http://www.allkpop.com/article/2011/06/block-b-b1a4-to-hold-a-battle-of-charms-on-mtvs-new-reality-show-match-up</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></li>
<li id="fn:9">Block B and B1A4 to release new MVs through MTV Archived March 12, 2023, at the Wayback Machine. allkpop.com (June 20, 2011). Retrieved on August 13, 2013. <a href="http://www.allkpop.com/article/2011/06/block-b-and-b1a4-to-release-new-mvs-through-mtv" target="_blank">http://www.allkpop.com/article/2011/06/block-b-and-b1a4-to-release-new-mvs-through-mtv</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></li>
<li id="fn:10">"B1A4's Sandeul Is Accepted into Myongji University". Nate. Archived from the original on November 25, 2023. Retrieved April 30, 2017. <a href="http://news.nate.com/view/20131104n31506?mid=n0107" target="_blank">http://news.nate.com/view/20131104n31506?mid=n0107</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></li>
<li id="fn:11">"B1A4's Sandeul Becomes First Male Idol To Be Appointed Honorary Ambassador For The Presidential Election". hellokpop. February 4, 2017. Archived from the original on April 12, 2017. Retrieved April 11, 2017. <a href="http://www.hellokpop.com/kpop/b1a4-sandeul-ambassador-election/" target="_blank">http://www.hellokpop.com/kpop/b1a4-sandeul-ambassador-election/</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></li>
<li id="fn:12">"B1A4's Sandeul To Reunite With Kim Yeon Woo For Special "Yoo Hee Yeol's Sketchbook" Performance |". soompi. March 28, 2017. Archived from the original on April 12, 2017. Retrieved April 11, 2017. <a href="https://www.soompi.com/2017/03/28/b1a4s-sandeul-reunite-kim-yeon-woo-special-yoo-hee-yeols-sketchbook-performance/" target="_blank">https://www.soompi.com/2017/03/28/b1a4s-sandeul-reunite-kim-yeon-woo-special-yoo-hee-yeols-sketchbook-performance/</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></li>
<li id="fn:13">"Watch: Kim Yeon Woo And B1A4's Sandeul Inspire People To Vote With Cover Of Lee Juck's "As One Says"". soompi. April 18, 2017. Archived from the original on September 13, 2017. Retrieved July 23, 2017. <a href="https://www.soompi.com/2017/04/18/watch-kim-yeon-woo-b1a4s-sandeul-inspire-people-vote-cover-lee-jucks-one-says/" target="_blank">https://www.soompi.com/2017/04/18/watch-kim-yeon-woo-b1a4s-sandeul-inspire-people-vote-cover-lee-jucks-one-says/</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></li>
<li id="fn:14">"Watch: B1A4's Sandeul Performs Emotional Duet With Ahn Se Ha On "Immortal Songs"". soompi. July 22, 2017. Archived from the original on July 22, 2017. Retrieved July 23, 2017. <a href="https://www.soompi.com/2017/07/22/watch-b1a4s-sandeul-performs-emotional-duet-ahn-se-ha-immortal-songs/" target="_blank">https://www.soompi.com/2017/07/22/watch-b1a4s-sandeul-performs-emotional-duet-ahn-se-ha-immortal-songs/</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></li>
<li id="fn:15">"B1A4's Sandeul & actor Ahn Sae Ah join forces on 'Immortal Song'". allkpop. July 22, 2017. Archived from the original on July 25, 2017. Retrieved July 23, 2017. <a href="http://www.allkpop.com/article/2017/07/b1a4s-sandeul-actor-ahn-sae-ah-join-forces-on-immortal-song" target="_blank">http://www.allkpop.com/article/2017/07/b1a4s-sandeul-actor-ahn-sae-ah-join-forces-on-immortal-song</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></li>
<li id="fn:16">"B1A4's Sandeul & Ahn Sae Ha shake with emotion on 'Immortal Song'". allkpop. December 23, 2017. Archived from the original on January 8, 2018. Retrieved January 7, 2018. <a href="https://www.allkpop.com/article/2017/12/b1a4s-sandeul-ahn-sae-ha-shake-with-emotion-on-immortal-song" target="_blank">https://www.allkpop.com/article/2017/12/b1a4s-sandeul-ahn-sae-ha-shake-with-emotion-on-immortal-song</a> <a href="#fnref:16" class="footnote-back-ref">↩</a></li>
<li id="fn:17">"Watch: B1A4's Sandeul And Yoo Seung Woo Like Being Called "Oppa" In Cute MV". soompi. July 6, 2017. Archived from the original on September 7, 2017. Retrieved July 23, 2017. <a href="https://www.soompi.com/2017/07/06/watch-b1a4s-sandeul-yoo-seung-woo-like-called-oppa-cute-mv/" target="_blank">https://www.soompi.com/2017/07/06/watch-b1a4s-sandeul-yoo-seung-woo-like-called-oppa-cute-mv/</a> <a href="#fnref:17" class="footnote-back-ref">↩</a></li>
<li id="fn:18">"Primary reveals 'Right?' feat. Soyu MV + 'Pop' collab MVs with Solji, JB, Sunggyu, Sandeul, & Yoseob". allkpop. August 30, 2017. Archived from the original on January 5, 2018. Retrieved September 7, 2017. <a href="https://www.allkpop.com/article/2017/08/primary-reveals-right-feat-soyu-mv-pop-collab-mvs-with-solji-jb-sunggyu-sandeul-yoseob" target="_blank">https://www.allkpop.com/article/2017/08/primary-reveals-right-feat-soyu-mv-pop-collab-mvs-with-solji-jb-sunggyu-sandeul-yoseob</a> <a href="#fnref:18" class="footnote-back-ref">↩</a></li>
<li id="fn:19">"B1A4's Sandeul Cast As Male Lead Of Upcoming Musical". soompi. August 17, 2017. Archived from the original on September 7, 2017. Retrieved September 7, 2017. <a href="https://www.soompi.com/2017/08/17/b1a4s-sandeul-cast-male-lead-upcoming-musical/" target="_blank">https://www.soompi.com/2017/08/17/b1a4s-sandeul-cast-male-lead-upcoming-musical/</a> <a href="#fnref:19" class="footnote-back-ref">↩</a></li>
<li id="fn:20">"B1A4's Sandeul Chosen As New DJ For Long-Running Radio Program "Starry Night"". soompi. July 5, 2018. Archived from the original on July 6, 2018. Retrieved July 6, 2018. <a href="https://www.soompi.com/2018/07/05/b1a4s-sandeul-chosen-new-dj-long-running-radio-program-starry-night/" target="_blank">https://www.soompi.com/2018/07/05/b1a4s-sandeul-chosen-new-dj-long-running-radio-program-starry-night/</a> <a href="#fnref:20" class="footnote-back-ref">↩</a></li>
<li id="fn:21">"MBC names B1A4's Sandeul and BTOB's Eunkwang as new radio DJs". allkpop. July 5, 2018. Archived from the original on July 6, 2018. Retrieved July 6, 2018. <a href="https://www.allkpop.com/article/2018/07/mbc-names-b1a4s-sandeul-and-btobs-eunkwang-as-new-radio-djs" target="_blank">https://www.allkpop.com/article/2018/07/mbc-names-b1a4s-sandeul-and-btobs-eunkwang-as-new-radio-djs</a> <a href="#fnref:21" class="footnote-back-ref">↩</a></li>
<li id="fn:22">"BTOB's Changsub and B1A4's Sandeul cast in musical 'Iron Mask'". allkpop. August 1, 2018. Archived from the original on April 7, 2019. Retrieved April 7, 2019. <a href="https://www.allkpop.com/article/2018/08/btobs-changsub-and-b1a4s-sandeul-cast-in-musical-iron-mask" target="_blank">https://www.allkpop.com/article/2018/08/btobs-changsub-and-b1a4s-sandeul-cast-in-musical-iron-mask</a> <a href="#fnref:22" class="footnote-back-ref">↩</a></li>
<li id="fn:23">"Watch: Music Variety Show Starring MAMAMOO's Moonbyul, B1A4's Sandeul, Punch, And More Shares Exciting Teasers". soompi. March 3, 2019. Archived from the original on April 7, 2019. Retrieved April 7, 2019. <a href="https://www.soompi.com/article/1307422wpp/watch-music-variety-show-starring-mamamoos-moonbyul-b1a4s-sandeul-punch-and-more-shares-exciting-teasers" target="_blank">https://www.soompi.com/article/1307422wpp/watch-music-variety-show-starring-mamamoos-moonbyul-b1a4s-sandeul-punch-and-more-shares-exciting-teasers</a> <a href="#fnref:23" class="footnote-back-ref">↩</a></li>
<li id="fn:24">"B1A4's Sandeul and Rapper Din Din Brought a Powerful Cover of 'Breathe,' an Emotional Song Composed and Written by the Late Kim Jonghyun". kstarlive. March 27, 2019. Archived from the original on April 7, 2019. Retrieved April 7, 2019. <a href="https://kstarlive.com/article/2019/03/27/b1a4-s-sandeul-and-rapper-din-din-brought-a-powerful-cover-of-breathe-an-emotional-song-composed-and-written-by-the-late-kim-jonghyun-204995" target="_blank">https://kstarlive.com/article/2019/03/27/b1a4-s-sandeul-and-rapper-din-din-brought-a-powerful-cover-of-breathe-an-emotional-song-composed-and-written-by-the-late-kim-jonghyun-204995</a> <a href="#fnref:24" class="footnote-back-ref">↩</a></li>
<li id="fn:25">"B1A4's Sandeul Announces Solo Comeback". soompi. April 7, 2019. Archived from the original on April 7, 2019. Retrieved April 7, 2019. <a href="https://www.soompi.com/article/1315681wpp/b1a4s-sandeul-announces-solo-comeback" target="_blank">https://www.soompi.com/article/1315681wpp/b1a4s-sandeul-announces-solo-comeback</a> <a href="#fnref:25" class="footnote-back-ref">↩</a></li>
<li id="fn:26">"B1A4's Sandeul Confirms Date For Solo Comeback". soompi. May 17, 2019. Archived from the original on May 24, 2019. Retrieved May 24, 2019. <a href="https://www.soompi.com/article/1325104wpp/b1a4s-sandeul-confirms-date-for-solo-comeback" target="_blank">https://www.soompi.com/article/1325104wpp/b1a4s-sandeul-confirms-date-for-solo-comeback</a> <a href="#fnref:26" class="footnote-back-ref">↩</a></li>
<li id="fn:27">"B1A4's Sandeul Enjoys The Spring And Cherry Blossoms In 1st Solo Comeback Teasers". soompi. May 23, 2019. Archived from the original on May 24, 2019. Retrieved May 24, 2019. <a href="https://www.soompi.com/article/1326838wpp/b1a4s-sandeul-enjoys-the-spring-and-cherry-blossoms-in-1st-solo-comeback-teasers" target="_blank">https://www.soompi.com/article/1326838wpp/b1a4s-sandeul-enjoys-the-spring-and-cherry-blossoms-in-1st-solo-comeback-teasers</a> <a href="#fnref:27" class="footnote-back-ref">↩</a></li>
<li id="fn:28">"B1A4 Sandeul and VIXX Ken to join cast for musical "Sherlock Holmes: The Missing Children"". k-serial/. January 7, 2020. Archived from the original on February 20, 2020. Retrieved February 20, 2020. <a href="https://k-serial.com/celeb/b1a4-sandeul-and-vixx-ken-to-join-cast-for-musical-sherlock-holmes-the-missing-children/" target="_blank">https://k-serial.com/celeb/b1a4-sandeul-and-vixx-ken-to-join-cast-for-musical-sherlock-holmes-the-missing-children/</a> <a href="#fnref:28" class="footnote-back-ref">↩</a></li>
<li id="fn:29">"Winners Of The 2019 MBC Entertainment Awards". soompi. December 29, 2019. Archived from the original on December 30, 2019. Retrieved December 30, 2019. <a href="https://www.soompi.com/article/1374249wpp/winners-of-the-2019-mbc-entertainment-awards" target="_blank">https://www.soompi.com/article/1374249wpp/winners-of-the-2019-mbc-entertainment-awards</a> <a href="#fnref:29" class="footnote-back-ref">↩</a></li>
<li id="fn:30">(in Korean)"B1A4 산들, 5월10일 '별밤' 하차 "쉽지 않은 결정"". News1.kr. May 1, 2020. Archived from the original on September 26, 2021. Retrieved August 5, 2020. <a href="https://www.news1.kr/articles/?3922993" target="_blank">https://www.news1.kr/articles/?3922993</a> <a href="#fnref:30" class="footnote-back-ref">↩</a></li>
<li id="fn:31">(in Korean)"B1A4 산들, '생각집' 시리즈의 첫 번째 곡 '게으른 나' 오늘(27일) 공개". naver (Korea Economic Daily). May 27, 2020. Archived from the original on May 14, 2022. Retrieved August 5, 2020. <a href="https://n.news.naver.com/entertain/article/015/0004348406" target="_blank">https://n.news.naver.com/entertain/article/015/0004348406</a> <a href="#fnref:31" class="footnote-back-ref">↩</a></li>
<li id="fn:32">(in Korean)"B1A4 산들, '생각집' 시리즈 '작은상자' 가사 공개..위로와 공감 200%". naver (OSEN). June 29, 2020. Archived from the original on November 25, 2023. Retrieved August 5, 2020. <a href="https://n.news.naver.com/entertain/article/109/0004232730" target="_blank">https://n.news.naver.com/entertain/article/109/0004232730</a> <a href="#fnref:32" class="footnote-back-ref">↩</a></li>
<li id="fn:33">(in Korean)"B1A4 산들, 신곡 '여름날 여름밤' 티저 공개..청량미 가득 힐링 매직". naver (OSEN). July 31, 2020. Archived from the original on November 25, 2023. Retrieved August 5, 2020. <a href="https://n.news.naver.com/entertain/article/109/0004249956" target="_blank">https://n.news.naver.com/entertain/article/109/0004249956</a> <a href="#fnref:33" class="footnote-back-ref">↩</a></li>
<li id="fn:34">"Gaon Digital Chart, September 2020". Archived from the original on October 8, 2020. Retrieved October 8, 2020. <a href="http://www.gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=09&hitYear=2020&termGbn=month" target="_blank">http://www.gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=09&hitYear=2020&termGbn=month</a> <a href="#fnref:34" class="footnote-back-ref">↩</a></li>
<li id="fn:35">"Slightly Tipsy". Billboard. September 19, 2020. Archived from the original on September 23, 2020. <a href="https://web.archive.org/web/20200923230833/https://www.billboard.com/charts/billboard-korea-100/2020-09-19" target="_blank">https://web.archive.org/web/20200923230833/https://www.billboard.com/charts/billboard-korea-100/2020-09-19</a> <a href="#fnref:35" class="footnote-back-ref">↩</a></li>
<li id="fn:36">(in Korean)"'차트 히어로' 임영웅, 3월 가온차트 4관왕 싹쓸이". newsen. April 8, 2021. Archived from the original on April 22, 2021. Retrieved April 22, 2021. <a href="https://www.newsen.com/news_view.php?uid=202104080836050410" target="_blank">https://www.newsen.com/news_view.php?uid=202104080836050410</a> <a href="#fnref:36" class="footnote-back-ref">↩</a></li>
<li id="fn:37">(in Korean)"산들 출연확정, '1976 할란카운티' 메인 타이틀롤 발탁". hankyung. April 20, 2021. Archived from the original on April 22, 2021. Retrieved April 22, 2021. <a href="https://www.hankyung.com/life/article/202104204831H" target="_blank">https://www.hankyung.com/life/article/202104204831H</a> <a href="#fnref:37" class="footnote-back-ref">↩</a></li>
<li id="fn:38">Jang, Jin-ri (October 12, 2021). "B1A4 산들, 11월 11일 훈련소 입소…"사회복무요원으로 대체복무" [B1A4 Sandeul to enter the training center on November 11th… "Substitute service as a social worker] (in Korean). SPOTV News. Archived from the original on March 27, 2023. Retrieved October 12, 2021 – via Naver. <a href="https://entertain.naver.com/now/read?oid=477&aid=0000323221" target="_blank">https://entertain.naver.com/now/read?oid=477&aid=0000323221</a> <a href="#fnref:38" class="footnote-back-ref">↩</a></li>
<li id="fn:39">Kim, Chae-yeon (August 10, 2023). "산들, 오늘(10일) 소집해제..B1A4 군백기 끝→완전체 기대" [Sandeul, today (10th) you're discharged from the military..B1A4's military white flag is over → Expectation of the complete group] (in Korean). Osen. Archived from the original on August 10, 2023. Retrieved August 10, 2023 – via Naver. <a href="https://entertain.naver.com/now/read?oid=109&aid=0004905273" target="_blank">https://entertain.naver.com/now/read?oid=109&aid=0004905273</a> <a href="#fnref:39" class="footnote-back-ref">↩</a></li>
<li id="fn:40">"Gaon Album Chart". Gaon Music Chart (in Korean). Archived from the original on March 26, 2015. Retrieved August 20, 2020.
"Stay As You Are". October 2–8, 2016. Archived from the original on September 1, 2020. Retrieved September 10, 2020.
"One Fine Day". June 2–8, 2019. Archived from the original on January 13, 2020. Retrieved September 10, 2020.
"My Little Thought Ep.01". August 2–8, 2020. Archived from the original on September 10, 2020. Retrieved September 10, 2020.
 <a href="https://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T" target="_blank">https://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T</a> <a href="#fnref:40" class="footnote-back-ref">↩</a></li>
<li id="fn:41">"Oricon Chart" (in Japanese). Oricon Chart. Archived from the original on March 4, 2021. Retrieved September 11, 2020.

"One Fine Day". June 10–16, 2019. Archived from the original on June 26, 2019. Retrieved September 10, 2020.
"My Little Thought Ep.01". August 10–16, 2020. Archived from the original on August 19, 2020. Retrieved September 10, 2020.
 <a href="https://www.oricon.co.jp/" target="_blank">https://www.oricon.co.jp/</a> <a href="#fnref:41" class="footnote-back-ref">↩</a></li>
<li id="fn:42">2016년 Album Chart [2016 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on August 3, 2020. Retrieved September 10, 2020. <a href="2016년 Album Chart" target="_blank">2016년 Album Chart</a> <a href="#fnref:42" class="footnote-back-ref">↩</a></li>
<li id="fn:43">2019년 07월 Album Chart [July 2019 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on August 10, 2020. Retrieved September 10, 2020. <a href="2019년 07월 Album Chart" target="_blank">2019년 07월 Album Chart</a> <a href="#fnref:43" class="footnote-back-ref">↩</a></li>
<li id="fn:44">2020년 08월 Album Chart [August 2020 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on September 10, 2020. Retrieved September 10, 2020. <a href="2020년 08월 Album Chart" target="_blank">2020년 08월 Album Chart</a> <a href="#fnref:44" class="footnote-back-ref">↩</a></li>
<li id="fn:45">"週間 アルバムランキング (2020年08月24日付)" (in Japanese). Oricon. August 10–16, 2020. Archived from the original on August 19, 2020. Retrieved September 10, 2020. <a href="https://web.archive.org/web/20200819143749/https://www.oricon.co.jp/rank/ja/w/2020-08-24/p/3/" target="_blank">https://web.archive.org/web/20200819143749/https://www.oricon.co.jp/rank/ja/w/2020-08-24/p/3/</a> <a href="#fnref:45" class="footnote-back-ref">↩</a></li>
<li id="fn:46">"Gaon Digital Chart". Gaon Music Chart (in Korean). Archived from the original on March 9, 2017. Retrieved August 20, 2020.
"Because It Hurts". April 6–12, 2014. Archived from the original on June 4, 2020. Retrieved August 18, 2020.
"Swallowing My Heart". September 3, 2016. Archived from the original on September 10, 2016. Retrieved August 26, 2017.
"Stay As You Are". October 2–8, 2016. Archived from the original on October 13, 2016. Retrieved July 30, 2020.
"Oppa". July 2–8, 2017. Archived from the original on July 21, 2017. Retrieved August 26, 2017.
"Pick Up". September 2, 2017. Archived from the original on September 7, 2017. Retrieved July 30, 2020.
"One Fine Day". June 2–8, 2019. Archived from the original on September 15, 2019. Retrieved June 13, 2019.
"Slightly Tipsy". September 6–12, 2020. Archived from the original on September 18, 2020. Retrieved September 17, 2020.
"Lonesome Diary". November 15–21, 2020. Archived from the original on January 12, 2021. Retrieved November 26, 2020.
"More Than Words". April 11–17, 2021. Archived from the original on April 22, 2021. Retrieved April 22, 2021.
"The One and Only You". August 1–7, 2021. Archived from the original on August 12, 2021. Retrieved August 12, 2021.
"The Image of You (Remains in My Memory)". October 3–9, 2021. Archived from the original on October 14, 2021. Retrieved October 14, 2021.
 <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL</a> <a href="#fnref:46" class="footnote-back-ref">↩</a></li>
<li id="fn:47">"Gaon Digital Chart, 2016-10". Gaon Chart. Archived from the original on September 6, 2017. Retrieved November 11, 2016. <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=10&hitYear=2016&termGbn=month" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=10&hitYear=2016&termGbn=month</a> <a href="#fnref:47" class="footnote-back-ref">↩</a></li>
<li id="fn:48">"Lazy Me" did not enter the Gaon Digital Chart, but appeared at number 109 on the component Download chart.[48] <a href="/wiki/Gaon_Digital_Chart" target="_blank">/wiki/Gaon_Digital_Chart</a> <a href="#fnref:48" class="footnote-back-ref">↩</a></li>
<li id="fn:49">"Smile Box" did not enter the Gaon Digital Chart, but appeared at number 149 on the component Download chart.[49] <a href="/wiki/Gaon_Digital_Chart" target="_blank">/wiki/Gaon_Digital_Chart</a> <a href="#fnref:49" class="footnote-back-ref">↩</a></li>
<li id="fn:50">"Summer Day Summer Night" did not enter the Gaon Digital Chart, but appeared at number 113 on the component Download chart.[50] <a href="/wiki/Gaon_Digital_Chart" target="_blank">/wiki/Gaon_Digital_Chart</a> <a href="#fnref:50" class="footnote-back-ref">↩</a></li>
<li id="fn:51">"Gaon Digital Chart". Gaon Music Chart (in Korean). Archived from the original on March 9, 2017. Retrieved August 20, 2020.
"Because It Hurts". April 6–12, 2014. Archived from the original on June 4, 2020. Retrieved August 18, 2020.
"Swallowing My Heart". September 3, 2016. Archived from the original on September 10, 2016. Retrieved August 26, 2017.
"Stay As You Are". October 2–8, 2016. Archived from the original on October 13, 2016. Retrieved July 30, 2020.
"Oppa". July 2–8, 2017. Archived from the original on July 21, 2017. Retrieved August 26, 2017.
"Pick Up". September 2, 2017. Archived from the original on September 7, 2017. Retrieved July 30, 2020.
"One Fine Day". June 2–8, 2019. Archived from the original on September 15, 2019. Retrieved June 13, 2019.
"Slightly Tipsy". September 6–12, 2020. Archived from the original on September 18, 2020. Retrieved September 17, 2020.
"Lonesome Diary". November 15–21, 2020. Archived from the original on January 12, 2021. Retrieved November 26, 2020.
"More Than Words". April 11–17, 2021. Archived from the original on April 22, 2021. Retrieved April 22, 2021.
"The One and Only You". August 1–7, 2021. Archived from the original on August 12, 2021. Retrieved August 12, 2021.
"The Image of You (Remains in My Memory)". October 3–9, 2021. Archived from the original on October 14, 2021. Retrieved October 14, 2021.
 <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL</a> <a href="#fnref:51" class="footnote-back-ref">↩</a></li>
<li id="fn:52">"Gaon Download Chart – Week 35, 2017". Gaon Chart. Archived from the original on September 7, 2017. Retrieved July 30, 2020. <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=35&hitYear=2017&termGbn=week" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=35&hitYear=2017&termGbn=week</a> <a href="#fnref:52" class="footnote-back-ref">↩</a></li>
<li id="fn:53">"Gaon Digital Chart". Gaon Music Chart (in Korean). Archived from the original on March 9, 2017. Retrieved August 20, 2020.
"Because It Hurts". April 6–12, 2014. Archived from the original on June 4, 2020. Retrieved August 18, 2020.
"Swallowing My Heart". September 3, 2016. Archived from the original on September 10, 2016. Retrieved August 26, 2017.
"Stay As You Are". October 2–8, 2016. Archived from the original on October 13, 2016. Retrieved July 30, 2020.
"Oppa". July 2–8, 2017. Archived from the original on July 21, 2017. Retrieved August 26, 2017.
"Pick Up". September 2, 2017. Archived from the original on September 7, 2017. Retrieved July 30, 2020.
"One Fine Day". June 2–8, 2019. Archived from the original on September 15, 2019. Retrieved June 13, 2019.
"Slightly Tipsy". September 6–12, 2020. Archived from the original on September 18, 2020. Retrieved September 17, 2020.
"Lonesome Diary". November 15–21, 2020. Archived from the original on January 12, 2021. Retrieved November 26, 2020.
"More Than Words". April 11–17, 2021. Archived from the original on April 22, 2021. Retrieved April 22, 2021.
"The One and Only You". August 1–7, 2021. Archived from the original on August 12, 2021. Retrieved August 12, 2021.
"The Image of You (Remains in My Memory)". October 3–9, 2021. Archived from the original on October 14, 2021. Retrieved October 14, 2021.
 <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL</a> <a href="#fnref:53" class="footnote-back-ref">↩</a></li>
<li id="fn:54">Cumulative sales for "Oppa":
"Gaon Download Chart – Week 27, 2017". gaonchart.co.kr. Archived from the original on November 25, 2016. Retrieved July 30, 2020.
"Gaon Download Chart – Week 28, 2017". gaonchart.co.kr. Archived from the original on August 27, 2017. Retrieved August 26, 2017.
 <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=27&hitYear=2017&termGbn=week" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=27&hitYear=2017&termGbn=week</a> <a href="#fnref:54" class="footnote-back-ref">↩</a></li>
<li id="fn:55">"I Miss You" did not enter the Gaon Digital Chart, but appeared at number 143 on the component Download chart.[53] <a href="/wiki/Gaon_Digital_Chart" target="_blank">/wiki/Gaon_Digital_Chart</a> <a href="#fnref:55" class="footnote-back-ref">↩</a></li>
<li id="fn:56">"It's Alright" did not enter the Gaon Digital Chart, but appeared at number 140 on the component Download chart.[54] <a href="/wiki/Gaon_Digital_Chart" target="_blank">/wiki/Gaon_Digital_Chart</a> <a href="#fnref:56" class="footnote-back-ref">↩</a></li>
<li id="fn:57">"Gaon Digital Chart". Gaon Music Chart (in Korean). Archived from the original on March 9, 2017. Retrieved August 20, 2020.
"Because It Hurts". April 6–12, 2014. Archived from the original on June 4, 2020. Retrieved August 18, 2020.
"Swallowing My Heart". September 3, 2016. Archived from the original on September 10, 2016. Retrieved August 26, 2017.
"Stay As You Are". October 2–8, 2016. Archived from the original on October 13, 2016. Retrieved July 30, 2020.
"Oppa". July 2–8, 2017. Archived from the original on July 21, 2017. Retrieved August 26, 2017.
"Pick Up". September 2, 2017. Archived from the original on September 7, 2017. Retrieved July 30, 2020.
"One Fine Day". June 2–8, 2019. Archived from the original on September 15, 2019. Retrieved June 13, 2019.
"Slightly Tipsy". September 6–12, 2020. Archived from the original on September 18, 2020. Retrieved September 17, 2020.
"Lonesome Diary". November 15–21, 2020. Archived from the original on January 12, 2021. Retrieved November 26, 2020.
"More Than Words". April 11–17, 2021. Archived from the original on April 22, 2021. Retrieved April 22, 2021.
"The One and Only You". August 1–7, 2021. Archived from the original on August 12, 2021. Retrieved August 12, 2021.
"The Image of You (Remains in My Memory)". October 3–9, 2021. Archived from the original on October 14, 2021. Retrieved October 14, 2021.
 <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL</a> <a href="#fnref:57" class="footnote-back-ref">↩</a></li>
<li id="fn:58">"Ya!", "The Way With You", and "Home" did not enter the Gaon Digital Chart, but appeared at number 78, 96 and 97 respectively on the component Download chart.[55] <a href="#fnref:58" class="footnote-back-ref">↩</a></li>
<li id="fn:59">"Gaon Download Chart – Week 41, 2016". Gaon Chart. Archived from the original on October 22, 2016. Retrieved August 26, 2017. <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=41&hitYear=2016&termGbn=week" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=41&hitYear=2016&termGbn=week</a> <a href="#fnref:59" class="footnote-back-ref">↩</a></li>
<li id="fn:60">"Gaon Digital Chart". Gaon Music Chart (in Korean). Archived from the original on March 9, 2017. Retrieved August 20, 2020.
"Because It Hurts". April 6–12, 2014. Archived from the original on June 4, 2020. Retrieved August 18, 2020.
"Swallowing My Heart". September 3, 2016. Archived from the original on September 10, 2016. Retrieved August 26, 2017.
"Stay As You Are". October 2–8, 2016. Archived from the original on October 13, 2016. Retrieved July 30, 2020.
"Oppa". July 2–8, 2017. Archived from the original on July 21, 2017. Retrieved August 26, 2017.
"Pick Up". September 2, 2017. Archived from the original on September 7, 2017. Retrieved July 30, 2020.
"One Fine Day". June 2–8, 2019. Archived from the original on September 15, 2019. Retrieved June 13, 2019.
"Slightly Tipsy". September 6–12, 2020. Archived from the original on September 18, 2020. Retrieved September 17, 2020.
"Lonesome Diary". November 15–21, 2020. Archived from the original on January 12, 2021. Retrieved November 26, 2020.
"More Than Words". April 11–17, 2021. Archived from the original on April 22, 2021. Retrieved April 22, 2021.
"The One and Only You". August 1–7, 2021. Archived from the original on August 12, 2021. Retrieved August 12, 2021.
"The Image of You (Remains in My Memory)". October 3–9, 2021. Archived from the original on October 14, 2021. Retrieved October 14, 2021.
 <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL</a> <a href="#fnref:60" class="footnote-back-ref">↩</a></li>
<li id="fn:61">"Billboard Korea K-Pop 100". Billboard. Archived from the original on January 3, 2020. Retrieved October 6, 2020.
"Slightly Tipsy". Billboard. September 19, 2020. Archived from the original on September 23, 2020.
 <a href="https://www.billboard.com/charts/billboard-korea-k-pop-100" target="_blank">https://www.billboard.com/charts/billboard-korea-k-pop-100</a> <a href="#fnref:61" class="footnote-back-ref">↩</a></li>
<li id="fn:62">"국내 대표 음악 차트 가온차트!". gaonchart.co.kr. Archived from the original on October 8, 2020. Retrieved September 7, 2016. <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=16&hitYear=2014&termGbn=week" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=16&hitYear=2014&termGbn=week</a> <a href="#fnref:62" class="footnote-back-ref">↩</a></li>
<li id="fn:63">Cumulative sales for "Swallowing My Heart":
"Gaon Download Chart, 2016-08-28~2016-09-03". gaonchart.co.kr. Archived from the original on December 21, 2016. Retrieved September 8, 2016.
"Gaon Download Chart, 2016-09-04~2016-09-10". gaonchart.co.kr. Archived from the original on October 10, 2016. Retrieved September 8, 2016.
"Gaon Download Chart, 2016-09-11~2016-09-17". gaonchart.co.kr. Archived from the original on October 10, 2016. Retrieved September 22, 2016.
"Gaon Download Chart, 2016-09-18~2016-09-24". gaonchart.co.kr. Archived from the original on June 10, 2019. Retrieved September 29, 2016.
 <a href="http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=36&hitYear=2016&termGbn=week" target="_blank">http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=36&hitYear=2016&termGbn=week</a> <a href="#fnref:63" class="footnote-back-ref">↩</a></li>
<li id="fn:64">"One More Step" did not enter the Gaon Digital Chart, but appeared at number 99 on the component Download chart.[60] <a href="#fnref:64" class="footnote-back-ref">↩</a></li>
<li id="fn:65">"Gaon Download Chart – Week 6, 2017". gaonchart.co.kr. Gaon. Archived from the original on June 27, 2018. Retrieved February 16, 2017. <a href="http://www.gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=06&hitYear=2017&termGbn=week" target="_blank">http://www.gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=06&hitYear=2017&termGbn=week</a> <a href="#fnref:65" class="footnote-back-ref">↩</a></li>
<li id="fn:66">"I Feel You" did not enter the Gaon Digital Chart, but appeared at number 18 on the component Download chart.[62] <a href="#fnref:66" class="footnote-back-ref">↩</a></li>
<li id="fn:67">"You're leaving like the season" did not enter the Circle Digital Chart, but appeared at number 72 on the component Download chart.[63] <a href="#fnref:67" class="footnote-back-ref">↩</a></li>
</ol>

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