@ 1st Album : 나방의 꿈 (nabangee kkum) / The Dream of Moth (2004)
1. 내 여자라니까 (nae yeojaranikka) = Because You’re My Woman
2. 삭제 (sagje) = Delete
@ 2nd Album : Crazy For You (2006)
1. 하기 힘든 말 (hagi himdeun mal) = The Word That Hard to Say
2. 외쳐본다 (wechyeobonda) = I’ll Cry Out
@ 3rd Album : 이별 이야기 (ibyeol iyagi) / Story of Separation (2007)
1. 착한 거짓말 (chaghan geojinmal) = White Lie
2. 왜…가니? (wae gani?) = Why Are You Leaving?
3. 투정 (tujeong) = Grumble
4. 미안해하지 마요 (mianhaehaji mayo) = Don’t Be Sorry
@ 4th Album : Shadow (2009)
1. 우리 헤어지자 (uri he-eojija) = Let’s Break Up
2. 오래 오래 오 (ore ore o) = Long Long Time
3. 단념 (dannyeom) = Despair
4. Melody
5. 그렇게 알게 됐어 (geureotge alge dwaesso) = I Got To Know It That Way
@ 4th Album Repackage : Shadow (2010)
1. 사랑이 술을 가르쳐 (sarangi sureul gareuchyeo) = Love Taught Me to Drink
@ 5th Album : Tonight (2011)
1. 친구잖아 (chin-gujanha) = Aren’t We Friend
2. 널 웃게 할 노래 (neol utge hal norae) = Song That Make You Smile
3. 어디라도 (eodirado) = Anywhere
@ 5.5th Mini Album : 숲 (suph) / Forest (2012)
1. 사랑한다는 말 (saranghandaneun mal) = Word That Say I Love You
@ 6th Album 그리고 (geurigo) / And…(2015)
1. 그리고 안녕 (geurigo annyeong) = And Goodbye
2. 사랑 (Sarang) = Love
@ Remake Album #1 : 남자가 여자를 사랑할 때 Vol. 1 (namjaga yeojareul saranghal ttae) / When a Man Loves a Woman (2006)
1. 제발 (jebal) = Please
2. 아디오 (Adio)
@ Remake Album #2 : 남자가 여자를 사랑할 때 Vol.2 (namjaga yeojareul saranghal ttae) / When a Man Loves a Woman (2008)
1. 다 줄꺼야 (da julkkeoya) = I’ll Give You All
2. 나를 슬프게 하는 사람들 (nareul seulpheuge haneun saramdeul) = People Who Makes Me Sad
@Japan Debut Album : Renai Jidai / Yeonae Sidae / Time For Love (2012)
1. Renai Jidai
@ Digital Single
1. 지금부터 사랑해 (jigeumbutheo saranghae) = From Now On I Love You ( My Girlfriend is a Gumiho OST~2010)
2. 마지막 그 한마디 (majimag geu hanmadi) = The Last Word (Gu Family Book OST 2013)
Haengbok Hagil Barae 