For other people known as 'Byeolha' or 'Seyeon', see Byeolha and Seyeon.
Byeolha (별하), also known as Seyeon (세연), is a South Korean singer and trainee. She is a former member of the pre-debut girl groups ZEROSIX and MIDNIGHT, and the project girl group CHIC&IDLE.
On April 8, 2019, MIDNIGHT introduced Seyeon as one of their new members after J.won, Yebin and Yudi left the group.[1] She recorded and promoted the group's third pre-debut single "Algorithm" before leaving the group around October.
2020: CHIC&IDLE & ZEROSIX[]
On June 26, 2020, Byeolha was revealed as the second member to be added to the lineup of Liz Entertainment's new project girl group, CHIC&IDLE. She debuted in the group on July 20, with their first digital single "3! 4!".[2]
On October 26, Liz Entertainment revealed that Byeolha will be one of five members of their newest upcoming girl group, ZEROSIX.[3]
On November 24, Liz Entertainment uploaded a comeback teaser for CHIC&IDLE, excluding Byeolha, suggesting she had left the group.
