Ghost9

Ghost9 is a South Korean boy band formed by Maroo Entertainment in 2020, the group currently consists of seven members: Shin, Son Jung-hyun, Choi Jun-seong, Lee Kang-sung, Prince, Lee Woo-jin and Lee Jin-woo. Hwang Dong-jun and Lee Taeseung left the group on September 5, 2021, They made their debut on September 23, 2020, with their debut EP Pre Episode 1: Door.

Before debut, Choi Jun-seong, Lee Tae-seung, Lee Woo-jin, and Lee Jin-woo participated in Produce X 101. Lee Jin-woo finished in 22nd place, Lee Woo-jin in 41st, Choi Jun-seong in 46th, and Lee Tae-seung in 53rd. Lee Tae-seung, Lee Woo-jin, and Lee Jin-woo also made their debut as members of Teen Teen. Hwang Dong-jun and Son Jun-hyung participated in Mix Nine, only the latter passed the audition.

Ghost9 debuted with their debut EP Pre Episode 1: Door on September 23, with the lead single "Think of Dawn".