The group consists of eight members: Eunho, Steve, Eunsang, Hyungseok, Woono, Dey, Kyungmun, and Sion.

[1] In 2019, Eunsang competed on the show Produce X 101 representing Brand New Music alongside Kim Si-hun, Yun Jung-hwan, and Hong Seong-jun, now of BDC.

On March 18, Brand New Music announced that Younite will make their debut with their first extended play (EP), Youni-Birth on April 20, 2022.

including their lead single "Bad Cupid",[13] However, on October 30, the label announced the cancellation of the comeback showcase due to the national mourning period following the Itaewon Halloween crowd crush incident on the 29th.

[14] On April 25, 2023, the group announced their fourth extended play, Light: BIT Part.1, which was released on May 17 of that year, with the lead single "Waterfall".