1. Just Before Shock 2. Shock 3. Special 4. 내 여자친구를 부탁해 (Say No) 5. Easy
Release Date : October 14, 2009
Tracklist
1. Just Before Shock 2. Shock 3. Special 4. 내 여자친구를 부탁해 (Say No) 5. Easy
Released Date : March 03, 2010
Tracklist
1. Mastermind 2. 숨 (Soom) 3. V.I.U (Very Important U) 4. Break Down 5. 주먹을 꽉 쥐고
Released Date : September 28, 2010
Tracklist
1. Lights Go On Again 2. Beautiful 3. 니가 제일 좋아 4. Lightless 5. I'm sorry
Released Date : November 09, 2011
Tracklist
1. The Fact 2. Fiction 3. Back to You 4. You 5. Freeze 6. Virus 7. 불러보지만 (Though I Call) 8. 비가 오는 날엔 (On Rainy Days) 9. Lightless (Unplugged Ver.) 10. Fiction (Orchestra Ver.)
Released Date : May 17, 2011
Tracklist
1. Midnight (별 헤는 밤) 2. 아름다운 밤이야 (Beautiful Night) 3. 내가 아니야 (It’s Not Me) 4. 니가 보고 싶어지면 (When I Miss You) 5. 니가 쉬는 날 (The Day You Rest) 6. Dream Girl
Released Date : July 22, 2012
Tracklist
1. Intro 2. Shadow (그림자) 3. How to Love 4. Be Alright 5. I’m Sorry 6. 괜찮겠니 7. 너는 나빠 8. Encore
Released Date : July 19, 2013
Tracklist
1. We Up 2. Good Luck 3. Dance With U 4. 이젠 아니야 5. History 6. 이 밤 너의 곁으로 7. Sad Movie (Korean Ver.)
Released Date : June 16, 2014
Tracklist
1. 12시 30분 2. Drive 3. 좋은 일이야 4. 눈을 감아도 5. 가까이 (Stay) 6. So Hot
Released Date : October 19, 2014
Tracklist
1. 예이 (YeY) 2. 일하러 가야 돼 3. 스위트 룸 4. 그곳에서 5. 가져가 6. Oh Honey 7. I Think I Love You (Korean ver.) 8. One Day (Korean ver.)
Released Date : July 26, 2015
Tracklist
1. Butterfly
Released Date : June 27, 2016
Tracklist
1. 하이라이트 (Highlight) 2. 리본 (Ribbon) *Title 3. Butterfly 4. 연습 중 5. When I… 6. 궁금해 7. Found you (준형 Solo) 8. Baby it`s you (두준&기광 Duet) 9. 나와 (요섭 Solo) 10. I`ll give you my all (동운 Solo) 11. 잘 자요 12. 리본 (Ribbon) (Inst.)