SF9's Kang Chanhee a.k.a Hwang Woojoo from SKY Castle becomes the center of K-Netz attention along with his past pictures as child actor! -- https://t.co/T8GaTQMOkw #SF9 #KangChanhee #SKYCastle pic.twitter.com/edGQKoI4XI

— pannatic (@pannatic) January 11, 2019