TWICE TZUYU and Jihyo attended the '2018 Korea Music festival' held at Gocheok Sky Dome in Guro-gu, Seoul on the afternoon of the afternoon.
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