Yook Sung Jae is a South Korean singer, actor, and entertainer, born on May 2, 1995. He gained fame as a member of the popular boy group BTOB, which debuted in 2012 under CUBE Entertainment. Known for his versatile vocal abilities, he has contributed to many of the group's hit songs and has participated in various music shows. In addition to his music career, Yook Sung Jae has also made a name for himself in acting. He has appeared in several television dramas, including Goblin and Mystic Pop-up Bar. His talent and charm have earned him a dedicated fanbase both in South Korea and internationally.