Ahead of the debut date in 2021, Star Hunt Academy released a series of teasers for the group which on January 13, they revealed the group's official name accompanied with its official logo.[41][39] MU Doctor collaborated with South Korean producers Rogan & Ddank for BGYO's debut single "The Light" released on January 29. The English lyrics were written by Korean-American composer and songwriter Distract, and the Tagalog lyrics written by the members themselves to "reflect their own story in the song".[3] The single was choreographed by Lay Back, known to have worked with SuperM, Hyolyn, and Zico.[42][43]