Who R U - 내가 또 이래 (Am I going to do this again?)
Who R U - 고백 (Confession)
Who R U - 하고 싶던 말 (What I Wanted To Say)
Who R U - Sweet My Love (OST Love Is Drop By Drop Part.7)
Who R U - 굿나잇 (Good Night)
Who R U - I Say
Who R U - 좋아요 (Like You) (feat. J_ust)
Who R U - Hello (OST Father I’ll Take Care of You)
Who R U - 너무 보고싶은 이 밤 (This Night I Miss)