BrithdayJuly 21, 1983 (42 years old)
Place of Birth-
as Seong-jin
June 21, 2002
released: 23 years ago
age: 18 years old
as Warrior Park Si-hak
May 27, 2010
released: 15 years ago
age: 26 years old
as Sang-goo (상구)
December 13, 2012
released: 12 years ago
age: 29 years old
