Mirae (Korean: 미래소년; RR: Miraesonyeon; MR: Miraesonyŏn; lit.

The group consisted of seven members: Lien, Lee Jun-hyuk, Yoo Dou-hyun, Khael, Son Dong-pyo, Park Si-young, and Jang Yu-bin.

They debuted on March 17, 2021, with the extended play (EP) Killa and officially disbanded on July 9, 2024, with only Son remaining in the agency, during its group career the group released five extended plays and six singles in Korean and one single in Japanese.

[citation needed] Prior to the group's debut, members Son Dong-pyo and Lee Jun-hyuk participated on Produce X 101.

[9][10] On February 2, Park Si Young was introduced as the group's first member,[11] followed by Lee Jun Hyuk on the 3rd,[12] Lien on the 4th,[13] Son Dong Pyo on the 5th,[14] Jang Yu Bin on the 6th,[15] Khael on the 7th[16] and Yoo Do Hyun on the 8th.