Han Dae Kyu, known professionally as DK, is a South Korean singer and former member of the duo DECEMBER. He graduated from Yeongdeok High School and later attended the University of Suwon but dropped out of the Information and Communication Engineering program before obtaining a bachelor's degree in Practical Music from Seoul Arts College. He made his debut in 2009 as part of the duo December under CS Happy Entertainment with the EP "Dear My Lover". The group was moderately successful but he went through a serious case of vocal chord nodules and had to reduce his appearances significantly. The duo disbanded in 2018 when each signed for different companies and now promote as soloists but decided to reunite in 2021 with the single "Love is Like Watching Stars With You". He is now focusing on his education and fulfilling his dream of being able to teach others, so he barely appears on TV. He is currently represented by Juice Entertainment.