Group TWICE TZUYU is posing for a rehearsal of 'Music Bank' held at the public hall of KBS New Hall in Yeouido, Seoul on the 3rd.
About TZUYU
Chou Tzu-yu, known mononymously as Tzuyu, is a Taiwanese singer based in South Korea. She is the only Taiwanese member of the girl group Twice, formed by JYP Entertainment.
 Wikipedia