Kim Sung-joo

Kim Sung-joo (born February 16, 1994) is a South Korean singer and actor. Kim debuted as a member of South Korean-Chinese band UNIQ in 2014. Kim made his television debut in the romantic Chinese drama Magical Space-time (2016) and his film debut in MBA Partners (2016). He is best known for his supporting roles in Live Up to Your Name (2017) and My Secret Terrius (2018). Career Pre-debut He joined YG Entertainment as a trainee. He was part of the original lineup for Winner, but that didn't work out. He's still close friends with Jinwoo and Seungyoon. A new opportunity arose and he ended up joining UNIQ, a Korean-Chinese group under Yuehua. He still continued to train at YG Entertainment since the two companies were collaborating with this new group. He trained for a total of 5 years before his official debut.