Happy Birthday BIRTHDAYCAKEiii 'BIRTHDAYCAKEiii'의 더블싱글 [23,24] 01. 반점(iiiiiiiiiiiiiiiiiiiiiii) 머리에 반점이 온기를 남기길 02. 초심(iiiiiiiiiiiiiiiiiiiiiiii) 필요한 건 존심 아닌 초심 [Credit] Lyric by BIRTHDAYCAKEiii Composed by BIRTHDAYCAKEiii Arranged by BIRTHDAYCAKEiii Guitar, Guitar Arranged by 김수빈 Mixed & Mastered by J;KEY Artwork by 조우현 Published by C.P.U