Yook Sung-Jae

Yook Sung-jae, also known as Sungjae, is a South Korean singer, songwriter, actor, host, and entertainer. He is a member of the BtoB boy group and its sub-group, BtoB Blue. In addition to his group's activities, Yook has appeared in television dramas Plus Nine Boys (2014), Who Are You: School 2015 (2015), The Village: Achiara's Secret (2015), Guardian: The Lonely and Great God (2016), and Mystic Pop-up Bar (2020), as well as hit shows such as Hitmaker, We Got Married, and Master in the House.

Yook returned to the small screen in early 2020 as part of the main cast of Mystic Pop-up Bar, a JTBC drama based on a popular webtoon of the same name, after a three-year acting hiatus due to other careers. Then, Yook Sung-Jae left the cast of Master in the House on February 18th, after two years on the show prior to his mandatory military service.