"Yot Expedition" Choi Siwon "I'm the youngest here."

Super Junior Choi Siwon poses at the MBC Everlon 'Yot Expedition' production presentation held at Sangam-dong Stanford Hotel Seoul in Seoul Mapo District on the morning of the 12th.

About Super Junior

Super Junior, also known as SJ or SuJu, is a South Korean boy band formed by Lee Soo-man, the founder of SM Entertainment in 2005. They are also dubbed by the media as the "King of Hallyu Wave" due to their prominent contributions in Korean Wave.  Wikipedia