TWICE Sana is going to work at KBS 2TV Music Bank' rehearsal at the KBS New Hall in Yeongdeungpo-gu, Seoul on the morning of the 13th.
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