[credit.] 1.Demo File Lyrics by 가혁 Composed by 가혁 outtaspace Arranged by outtaspace 2.가혁이는 쓰러지지 않아! (feat. Kaneya) Lyrics by 가혁,Kaneya Composed by 가혁,Kaneya,K4nji Arranged by K4nji 3.해피엔딩 (feat. notabadboy2001) Lyrics by 가혁,notabadboy2001 Composed by 가혁,notabadboy2001,K4nji Arranged by K4nji 1 track mixed and Mastered by notabadboy2001 2,3 track mixed and Mastered by chilloud