Song Seung Hyun (FT Island) – What’s The Definition of Us (우리 사이) Oh! My Assistant OST Part 1 Lyrics
[Hangul + Romanization] Song Seung Hyun (FT Island) – What’s The Definition of Us (우리 사이) Oh! My Assistant OST Part 1 Lyrics Lirik 가사 歌詞 오 나의 어시님 (Oh! My assistant) OST Part.1 Artist: 송승현 (FT아일랜드) Genre: Drama OST Release Date: 2022.12.01 Lyrics by 강민형 Composed by 강민국, DOO (Psycho Tension), 방효은 Arranged by