He is a member of the boy group BTOB and its sub-group, BTOB Blue.
Sungjae is a South Korean singer, songwriter, actor, host, MC, and entertainer. PD Song worked on KBS 2TV's Monday-Tuesday drama ' The King’s Affection', 'Another Miss Oh' (2016), 'Beauty Inside' (2018) and 'Graceful Friends' (2020).The two artists collaborated on 'Winter Sonata' (2002), 'Sweet 18' (2004), 'The Handmaiden' (2009) and 'The Prime Minister and I' (2013-2014). It is directed by Song Hyeon Wook and written by Yoon Eun Kyung and Kim Eun Hee. It is produced by Samhwa Networks and Studio N. Unlike the webtoon, Lee Seung Cheon will be set as a high school student in the drama. The new drama asks the question whether it is possible to change money and family, and whether choosing between the two would bring happiness closer. ' Gold Spoon' is based on the Naver webtoon of the same name. He plays Lee Seung Cheon, who was born into a poor family, and changes his fate with a friend who was born in a wealthy family with a gold spoon he obtained by chance. According to MBC on November 30th, BTOB's Sungjae will take on the lead role in the drama that will be aired next summer.