[1st Mini Album] FOREST：Entrance
1. 서랍 / Dear My Dear
2. 아무도 모른다 / No One Knows
3. Have a nice day
4. 세상에 영원한 게 없다 해도(WALK) / About Eternity
5. 사계 / The Four Season
6. Love again
7. 파랑새 / With U
[Single] Dear My Dear
1. 서랍 / Dear My Dear
Piece of BTOB
1. 이제 겨우 하루 / One Day
2. 그때 / Back in the day
[1st Album] HUTAZONE
1. HUTAZONE
2. YA
3. 너도? 나도! / Hang out (feat. SOYEON)
4. Lonely
5. 꿈인가 봐요 / Day dream (feat. YOOK SUNGJAE)
6. 낙화 (落花) / Falling blossoms (Interlude)
7. Fallin’
8. ALL DAY (Korean Ver.)
9. Purple Rain (feat. CHEEZE)
10. 오늘 밤에 / Tonight (With Melody)
11. Waiting For You
[1st Mini Album] Mark
1. Way
2. 틈 / Miss You
3. Shelter
4. Ever
5. Gone
[1st Mini Album] RENDEZ-VOUS
1. RENDEZ-VOUS
2. DOCKING
3. BLACK
4. MOONLIGHT
5. DEAR LOVE
Piece of BTOB
1. SWIMMING
1. That Girl
[Digital Single] B.O.D
1. B.O.D
[Digital Single] FLY23
1. FLY23
[Digital Single] Flip
1. Flip (feat. Beenzino)
[1st Mini Album] Big Wave
1. 얘기 좀 해요 / (feat. LIM HYUNSIK)
2. 멋진 구두 / Fancy Shoes (Remastered Ver.)
3. She’s Gone
4. Big Wave
5. Always (feat. JINHO)
[1st Mini Album] YOOK O’clock
1. 그날의 바람 / Come With The Wind
2. 할많하않 / HMHN (with JUNG ILHOON)
3. Hypnotized (with PENIEL)
4. W.A.U
5. CHICKEN
6. 뭍 / YOOK
7. 겨울 속에서 / From Winter
[Single] 3X2=6 PART 3
1. 할많하않 / HMHN (with JUNG ILHOON)
2. Hypnotized (with PENIEL)
[Single] 3X2=6 PART 2
1. W.A.U
2. CHICKEN
[Single] 3X2=6 PART 1
1. 뭍 / YOOK
2. 겨울 속에서 / From Winter
[ドラマOST] 쌍갑포차 / サンガプ屋台 Part. 2
1. 사랑은 추억을 닮아서 / 愛は思い出に似て