group Super Junior Cho Kyuhyun and Choi Siwon are on stage at the '2019 Busan One Asia festival' K-POP concert held at Busan Hwamyung Ecological Park on the afternoon of the 19th. October 19, 2019.
About Cho Kyuhyun
Cho Kyu-hyun, referred to as Kyuhyun, is a South Korean singer, musical theatre actor and television host. He debuted as a new member of boy group Super Junior in May 2006.
 Wikipedia