Albums + EPs

• 우주속에서 2018-10-11
• Transformation 2016-06-14
• The Best Man 2014-05-12
• 놈들이 온다 2011-10-10
• Vocolate 2009-10-10
• With All My Heart And Soul 2008-10-31
• Eternal Essence of Music 2007-09-04
• Love.. Love..? Love..! 2005-09-21
• For the Moment 2004-10-18
• It's Real 2003-08-21
• Like A Movie 2002-04-03

Singles

• 생각난다 2019-03-14
• The Ghost Detective (Original Television Soundtrack), Pt. 4 2018-10-03
• Realslow171023 2017-10-23
• 언프리티 랩스타 2 Track 2 2015-09-26
• WS Duet Project No.4 2015-02-12
• 괜찮아 사랑이야 OST Part 4 2014-08-13
• 썸남썸녀 2014-02-11
• Special Love 2013-11-29
• DOKKUN Project Part 1 2012-09-27
• 가슴 시린 이야기 2011-03-15
• 처음 뵙겠습니다 2011-01-11
• RealSlow is Back 2010-08-26
• 우리집에 왜 왔니 2009-04-02
• Insomnia 2009-02-18
• 휘성 With D.O 2008-05-27
• 스마일 프로젝트 Vol. 2 - Love Seat 2008-04-01
• 중천의 기억 2006-11-30