ウェブ6 日前 · twice .jype .com. Twice ( Korean : 트와이스; RR : Teuwaiseu; Japanese: トゥワイス, Hepburn: Tuwaisu; commonly stylized in all caps) 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.