group TWICE visited JYP J. Y. Park concert.
On December 31, TWICE's official SNS posted a certified shot of attending the "J. Y. Park Concert NO.1 X 50" (number one Fifty).
TWICE commented on JYP Entertainment representative and singer J. Y. Park, "Tverge (TWICE + father), who was wonderful as an imagination. I'd like to have a guest at the reception concert number one. Can we also guest at that time?"
Park Su-in
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