KBS 2TV Music Bank rehearsal was held at the public hall of KBS New Pavilion in Yeouido, Yeongdeungpo-gu, Seoul on the morning of November 23.
On this day, TWICE (Nayeon, Jingyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chae Young, TZUYU) Chae Young attends the rehearsal.
About TWICE
Twice is a South Korean girl group formed by JYP Entertainment. The group is composed of nine members: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu.
 Wikipedia