เพลงในอัลบั้ม ONG SEONG WU 1st Mini Album <LAYERS>1GRAVITYONG SEONG WU03:282CafeONG SEONG WU03:023After DarkONG SEONG WU03:204BYE BYEONG SEONG WU03:145GUESS WHOONG SEONG WU03:046WE BELONGONG SEONG WU03:21อัลบั้มอื่นของ ONG SEONG WUMore than friends (Original Television Soundtrack), Pt.6didn't say anythingONG SEONG WU 1st Digital Single <WE BELONG>At Eighteen, Pt. 2 (Original Television Soundtrack)
