On the other hand, Ong Seong-wu will start active activities at the same time as the release of Mini album 'LAYERS' at 6 pm on the 25th.
About Ong Seong-wu
Ong Seong-wu 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 in fifth place, and is a former member of the show's derivative boy group Wanna One.
 Wikipedia