BrithdaySeptember 3, 1978 (47 years old)
Place of BirthSouth Korea
as Man in Studio
October 15, 2004
released: 20 years ago
age: 26 years old
as Se-yoon
April 1, 2005
September 16, 2005
released: 19 years ago
age: 27 years old
as 백준수
November 5, 2009
released: 15 years ago
age: 31 years old
November 28, 2013
released: 11 years ago
age: 35 years old
