It was also revealed, by the member Yujeong, that they were about to disband right before the song went viral the members had already left the dormitory when it happened. In 2021, the group gained a sudden surge in popularity after their song 'Rollin'' unexpectedly went viral. Eunji was eliminated in 45th place during the first elimination round while Yujeong was eliminated in 37th place during the second elimination round. In October 2017, members Yujeong, Eunji, and Yuna participated in the idol rebooting show The Unit which premiered on October 28. The group released their fourth mini album Rollin' and the lead single of the same name on March 7. It was noted that no new members would be added and Brave Girls would continue promotions as a five-member group with members Minyoung, Yujeong, Eunji, Yuna and Hayun. Meanwhile, member Hyeran would take a hiatus due to health concerns. Member Yoojin decided to quit the group after she got her Degree in Theater from Chung Ang University. On January 13, 2017, it was announced that members Yoojin and Hyeran, the two remaining original members, would stop promotions with the group. The group released a digital single titled 'Deepened' on February 16.

In 2016, after a 2 and a half year hiatus, it was announced that Brave Girls would be making a comeback as a seven-member group, with two original members (Yoojin and Hyeran) and five new members (Minyoung, Yujeong, Eunji, Yuna, and Hayun). On Apthey released their debut single album The Difference, along with a music video for title track 'Do You Know'. Brave Girls has gone through multiple lineup changes and currently consists of Minyoung, Yujeong, Eunji, and Yuna, with no original members. Formed by Brave Entertainment as Brave Girls (브레이브걸스), they debuted as a five-member group on Apwith the single album 'The Difference'. BB GIRLS (브브걸) is a South Korean girl group under Warner Music Korea.

Who left brave girls