Actor Seo Kang-joon attends the 'Piaze Sunny Side of Life Event' held at K Contemporary Art Museum in Sinsa-dong, Gangnam District, Seoul on the afternoon of the 10th.
news report
About Seo Kang-joon
Seo Kang-joon is a South Korean actor and singer who is a member of the group 5urprise. He gained recognition with his role in the television series Cheese in the Trap and has since starred in Entourage, Are You Human Too?, The Third Charm, Watcher and When The Weather Is Fine.
 Wikipedia