The group Wanna One (Gang Daniel, Park Jihoon, Lee Dae-hwi, Kim Jae-hwan, Ong Seong-wu, Park Woo-jin, Li Kwan-lin, Yoon Ji-sung, Hwang Min-hyun, Bae Jin-young, Ha Sung-woon) Ong Seong-wu held a cafe in Sangam-dong, Mapo-gu, Seoul on the afternoon of the 7th, I am attending the Cafe.
Wanna One is a project group created through Mnet Idol survival program Produce 101 Season 2, which was broadcast last year.
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