2019 K-World Festa (2019 K-WORLD FESTA) closing performance Photo Wall event was held at the Olympic Park Gymnastics Stadium in Seoul Songpa District on August 24th.
Super Junior Choi Siwon, Yesung attended the ceremony.
Jung Yu-jin
About Yesung
Kim Jong-woon, better known by his stage name Yesung is a South Korean singer, songwriter, actor, radio personality and television presenter.
 Wikipedia