Yook Sung Jae, on stage known as Sungjae, is a South Korean singer, songwriter, actor and entertainer. Sungjae debuted 2012 as a member of the kpop boy group BtoB and is also part of its sub-unit, BtoB Blue. Sungjae has starred as an actor in various television drama.
Stage name성재
Stage name (international)Sungjae
Name육성재
Name (international)Yook Sung Jae
Date of birth02.05.1995