==Discography==
<br />
=== As a featured artit] ===
{| class="wikitable"
! rowspan="2" |Title
! rowspan="2" |Year
! colspan="1" |Peak positions
! rowspan="2" |Album
|-
!KOR<br />
|-
!"1, 2 <small>(한두번)" (Lee Hi featuring Choi Hyun-suk)</small>
|2019
|171
|''24°C''
|}
=== Production credits ===
All song credits are adapted from the Korea Music Copyright Association's database, unless otherwise noted.
{| class="wikitable"
! rowspan="2" |Song
! rowspan="2" |Year
! rowspan="2" |Album
! rowspan="2" |Artist(s)
! colspan="2" |Lyrics<small>(한두번)" ([[wikipedia:Lee_Hi|Lee Hi]] featuring Choi Hyun-suk)</small>
|-
!Credited
!With
|-
|"1, 2 (한두번)"
|2019
|24°C
|Lee Hi
| <code>✔</code>
|B.I
|-
|"Boy"
| rowspan="6" |2020
| rowspan="2" |The First Step: Chapter One
| rowspan="9" |Treasure
| <code>✔</code>
|R.Tee, Se.A, Lil G, Choice37
|-
|"Come to Me (들어와)"
| <code>✔</code>
|Rovin, Kim Kyung, Bigtone
|-
|"I Love You (사랑해)"
| rowspan="2" |The First Step: Chapter Two
| <code>✔</code>
|R.Tee, Yoshi, Haruto
|-
|"B.L.T (Bling Like This)"
| <code>✔</code>
|Kim Dong Joon, Trnc 95, Yoshi, Haruto
|-
|"Mmm (음)"
| rowspan="2" |The First Step: Chapter Three
| <code>✔</code>
|Godok
|-
|"Orange (오렌지)"
| <code>✔</code>
|Asahi, Haruto
|-
|"My Treasure"
| rowspan="3" |2021
| rowspan="3" |The First Step: Treasure Effect
| <code>✔</code>
|Bigtone, Min Yeon-jae, Haruto, Yoshi
|-
|"Be With Me (나랑 있자)"
| <code>✔</code>
|Rovin, Kim Kyung, Haruto, Yoshi
|-
|"Slowmotion"
| <code>✔</code>
|Lee Chan-hyuk, Haruto
|}
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