Yook Sung-jae (Korean: 육성재; Hanja: 陸星材; born May 2, 1995), better known mononymously as Sungjae, is a South Korean singer, songwriter, actor, and entertainer. He is a member of the boy group BtoB and its sub-group, BtoB Blue. Aside from his group’s activities, Yook has acted in television dramas 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) and has appeared on hit shows like Hitmaker, We Got Married and Master in the House. He released six digital singles through the music project 3×2=6 from December 2019 to February 2020 and later made his solo debut with Yook O’Clock on March 2, 2020.
Early life and education
Yook was born on May 2, 1995, in Yongin, Gyeonggi Province. He has one older sister. Yook comes from a business family. His father is the CEO of an IT corporation that deals with semiconductors. His grandfather was the first to introduce red carp in South Korea, while his grandmother operated a fishing farm in Paju.
He briefly studied for a month each in England and the Philippines. He attended Hanlim Multi Art School and graduated in 2014. He then attended Dongshin University, majoring in Practical Music.