The movie 'Swing Kids' Production briefing session was held at Samseong-dong SM Town in Gangnam-gu, Seoul on the morning of the 12th.
EXO EXO D.O., who attended the Production briefing session, answers the question. Nov. 12, 2018.
About EXO
Exo is a South Korean-Chinese boy band based in Seoul that was formed by SM Entertainment in 2011 and debuted in 2012. The group consists of nine members: Xiumin, Suho, Lay, Baekhyun, Chen, Chanyeol, D.O., Kai and Sehun.
 Wikipedia