Ong Seong-woo (Hangul: 옹 성우, born August 25th, 1995) is a South Korean singer and actor. He is known for his participation in the survival reality show Produce 101 Season 2, where he finished at the fifth position and is a former member of the Wanna One event group. Ong Seong-woo was born in Incheon, South […]