Oh My Venus, Pt. 6 (Original Television Soundtrack) - Single

Over and Over - EP

Ride Or Die (Run On [Original Television Soundtrack], Pt. 2) - Single

Mask Singer 108th - EP (Live)

아이돌보컬리그-걸스피릿 EPISODE 11 - EP

아이돌보컬리그-걸스피릿 EPISODE 02 - Single

The Emperor : Owner of the Mask (Original Soundtrack), Pt. 4 - Single

Midnight Sun (Original Musical Soundtrack, Pt. 5) - Single

Into My Playlist Pt. 4 - EP

The History of Seong Gyeong (Original Soundtrack), Vol. 2 - Single

아이돌보컬리그-걸스피릿 EPISODE 09 - Single

Caught Between Marriage & Divorce Season 2, Pt. 2 (Original Soundtrack) - Single

Tale of the Nine Tailed 1938, Pt. 4 (Original Television Soundtrack) - Single

Tale of the Nine Tailed 1938, Pt. 2 (Original Television Soundtrack) - Single

Blade & Soul 2 - Sliver of Memory (Original Soundtrack) - Single

The Last Empress Original Soundtrack Pt.3 - Single

Female Friend - Single

OASIS, Pt. 5 (Original Television Soundtrack) - Single

No Gain No Love, Pt. 6 (Original Soundtrack) - Single

The Light <Kei & EXY X IDOL X IDOL (music & lyrics)> - Single

Blade & Soul 2 - As I Become Your Wind (Original Soundtrack) - Single

Ruler - Master of the Mask, Pt. 4 (Original Television Soundtrack) - Single

Mask Singer 107th - Single

Starry road with KozyPop - Single

My Absolute Boyfriend (Original Television Soundtrack), Pt. 4 - Single

투유프로젝트 - Sugar Man3 Episode.13 - EP

Dreaming of a Freaking Fairy Tale, Pt. 1 (Original Soundtrack) - Single

New York - Single

추리의 여왕 시즌2 (Original Television Soundtrack), Pt. 2 - Single

Start Dating (Original Drama Soundtrack, Pt. 2) - Single

Rich Man (Original Soundtrack) Pt.3 - Single

Summer, Love Machine Blues (O'PENing) [Original Soundtrack] - Single

추리의 여왕 시즌2 (Original Television Soundtrack), Pt. 2 - Single