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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. Twice was formed under through the television program Sixteen survival show SIXTEEN and debuted on October 20, 2015, with the extended play The Story Begins.