Kang Chang-mo (Hangul: 강창모; born January 26, 1982), better known by his stage name KCM (Hangul: 케이씨엠), is a South Korean singer. He debuted in 2003 with the song "I Know," from the soundtrack to the Korean drama, Punch (Hangul: 때려). On January 13, 2022 KCM’s agency officially confirmed that earlier this month, the singer got married to his non-celebrity girlfriend 9 years his junior. Watch drama online for free.