On Apthey released their debut single album The Difference, along with a music video for title track 'Do You Know'. Initially a five member group, Brave Girls has gone through multiple lineup changes and currently consists of Minyoung, Yujeong, Eunji, and Yuna, with no original members. In November 2020, she signed with digital entertainment company Sandbox Network.Brave Girls (Hangul: 브레이브걸스 RR: Beureibeu Geolseu) is a South Korean girl group formed by producer Brave Brothers of Brave Entertainment in 2011. In 2020, Hayun opened the 'Running Hayun' (달려라하유니) channel on Twitch and started broadcasting content. In October, she also opened a make-up focused YouTube channel. Hayun opened a TikTok account in 2019 and earned a big following there with her viral videos, some featuring make-up and dancing. 2019-present: Content creation on social media In an March 2019 interview with Brave Brothers, it was revealed that Hayun was no longer part of Brave Girls after they were reorganized into a four-member group. On August 11, 2018, Brave Entertainment announced that Hayun would be sitting out of the group's activities due to health reasons. Hayun made her official debut as a member on Februwith the group's third digital single ' Deepened'.

She, alongside Minyoung, Yujeong, Eunji, and Yuna were added as new members.

On February 2, 2016, it was announced that Brave Girls would be returning as a seven-member group after a two year hiatus. Hayun debuted in 'trainee girl group project' duo DATE (formerly known as SUTY) in 2014, following the departure of one of the previous members.

1.3 2019-present: Content creation on social media.

Brave girls kpop profile