Byeolha

Ahn Se-Yeon (Hangul: 안세연), also known as Byeolha (Hangul: 별하) is a former member and vocalist and the face of the upcoming South Korean girl group ZeroSix under Liz Entertainment.

She is also a member of the project girl group CHIC&IDLE. She is a former pre-debut member of MIDNIGHT.

2019: MIDNIGHT
On April 8, 2019, MIDNIGHT introduced Seyeon as one of their new members after J.won, Yebin, and Yudi left the group. She recorded and promoted the group's third pre-debut single "Algorithm" before leaving the group around October.

2020–present: 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!".

On October 26, Liz Entertainment revealed that Yehwa would be one of four members of their newest upcoming girl group, ZeroSix.

Digital singles

 * "봄이 오잖아" (feat. Purple) (2020)

Endorsements

 * A'ROMA COSMETICS (2019)
 * Nail Avenue (2019)
 * VT Cosmetics (2019)
 * Vely You (2019)
 * Ballop (2019)
 * Lamichou (2019)
 * Wonders Living (2019)
 * Balabel (2019)
 * Celefit (2019)
 * Love And (2019)
 * Lassie'El (2019)
 * Olive Young (2019)