Kim Seong Joo (2007)
Other Name: 김성주 金成主 Gim Seong Joo Kim Sung Joo Gim Sung Joo
Age: 17
Birthday: October, 18, 2007
Nationality: South Korea
Height: 0 CM
Zodiac sign: Libra
Kim Seong Joo is a South Korean trainee under KPLUS.
