BrithdayFebruary 23, 2008 (17 years old)
Place of Birth-
as Ji-seok
December 31, 2014
released: 10 years ago
age: 6 years old
as Kang Gun-woo
June 13, 2018
released: 7 years ago
age: 10 years old
as Gun-woo
September 24, 2015
released: 9 years ago
age: 7 years old
