A brand photo Event was held at the Seoul Seongsu-dong Esfactory on the afternoon of the 19th.
Singer Choi Choi Siwon poses at the Event.
About Choi Siwon
Choi Si-won, known mononymously as Siwon, is a South Korean singer, songwriter, model, and actor known for his work as a member of South Korean boy group Super Junior.
 Wikipedia