Lyrics for this song have yet to be released
Rainbow Falling (Instrumental) was written by 박근철 (Park Geun Chul) & 마티 (MATHI) & HowL (하울) (KOR) & 정수민 (Jeong Soo Min) (SSMusic).
Cha Eun Woo (차은우) released Rainbow Falling (Instrumental) on Fri Aug 31 2018.