KOREAN SPEED (스피드) SPEED – WHAT U WHAT U “WHAT U” [EP] SPEED ON 2015.06.01 Jungwoo, Yoohwan, Taeha, Jongkook, Sejoon, KI-O, Sungmin Lyrics/작사: 길다솜, 이다윤 Composer/작곡: 신혁,…