WE-YOU, I'M HAPPY HAPPY TRUE! ☺ Credit Executive Producer JAE HOON JANG Produced by JMG Publishing Lyrics by KittiB, Yoo Seong Eun, Song Eunsuk Composed by KittiB, Song Eunsuk Arranged by Song Eunsuk Vocal Directed by KittiB, Song Eunsuk Chorus by KittiB, Yoo Seong Eun Keyboards by Song Eunsuk Bass by Song Eunsuk Guitar by Song Eunsuk Synthesizer by Song Eunsuk Drums and Computer Programming by Song Eunsuk All Tracks Recorded at XYFY Recordings Studio @xyfyrecordings Digital Editing by 정우성 @mplus.studios Mixed by 김호진 @mplus.studios Mastered by 권남우 @ 821 Sound Mastering A&R by 남기범, 이수지, 호수빈, 김성준, 김동하, 유지연, 문준수, 조철호 Original Publisher @ JMG Publishing