Goddess of Fire stars a South Korean actress and singer who debuted in 2001 as the main vocalist of what South Korean girl group?
Goddess of Fire:  Goddess of Fire, Jung Yi) is a 2013 South Korean television series starring Moon Geun-young, Lee Sang-yoon, Kim Bum, Park Gun-hyung, Seo Hyun-jin, Jun Kwang-ryul, Jeong Bo-seok, Byun Hee-bong, Han Go-eun, and Lee Kwang-soo. Seo Hyun-jin: Seo Hyun-jin (Hangul: 서현진 ; born February 27, 1985) is a South Korean actress and singer. Seo Hyun-jin:  Seo debuted as the main vocalist of South Korean girl group, M.I.L.K in 2001 and continued until 2003 when the group disbanded.
M.I.L.K