Park Choong-jae (Korean: 박충재; born August 19, 1980), known professionally as Jun Jin, is a South Korean singer, actor and entertainer, known as a member and rapper of six-member boy band Shinhwa. He debuted as a dancer and rapper in Shinhwa in 1998 but started singing small parts in 2002; the release of Shinhwa's fifth album. He debuted as a solo artist in November 2006 with the single Love Doesn't Come.