昨天的担心会只当做昨天的事情来看吗？ OuiOui "Why?" 夜晚，独自一人的无数担忧，苦恼，思考的故事。 希望漆黑地黑暗能散去，比白天更明亮地夜晚来临。 [Credit] Executive produced by (주) 인플래닛 Song produced by Blueny, Meijee Written by Blueny, Meijee Composed by Blueny, Meijee Arranged by CRDL Main vocals by Bluney, Meijee Background vocals by Bluney, Meijee Guitar, Bass, Drum, Keyboard by CRDL Recorded by Meijee, Jay Cry at Inplanet Studio Mixed by Jay Cry at Inplanet Studio Mastered by 강승희 at Sonic Korea A&R Director 염정봉 A&R 강연정 Art directing by 강연정 Artwork by Yue Videos by Josee Cho Publishing/Distribution management by 박배건