Best known as a former member of the South Korean rock group Loveholics. One of the group's founding members, she left the group in 2007 to pursue a solo career. She later released her debut solo album in 2009.
She studied metal working at Seoul Technical College. She first became known musical.ly as a member of the underground band Boramanyeo.
A multi-instrumentalist, she can play the guitar, drums, and bass.
Her full name is Hwan Ji Sun. She hails from Hongseong-eup.