1sagain - Fall In Love (Feat. Ju Bora) (Remastered)
1sagain - 이별후애 (Love After Breakup) (Feat. Jubora) (Remastered)
1sagain - 분열 (Fracture)
1sagain - 회상 (Reminisce) (Feat. STi)
1sagain - LOVE ME NOW
1sagain - 사랑은 없다 (No Love) (Demo 2011)
1sagain - 어울리지 못해 (Demo 2012)
1sagain - Waiting for the Rainbow (Demo 2011)
1sagain - 아홉 (Nine) (Feat. Nuun)
1sagain - 음악을 관둘 때가 된듯해 (I think it's time to quit music) (Feat. Yoo Young)