Lee Si-yeon (hangul:???, hanja:???, born Lee Dae-hak, 24 July 1979) is a South Korean transgender actress and model. In 1999 her debut for Anti-Miss Korea, In 2007, gender transition operative. Born Lee Dae-hak(???, ???). Niece of Seo Jae-hyok, a famous Singer-songwriter and guitar player from South Korea and a member of Buhwal(??)