On June 15, 2010, it was announced that following the departures of Inyoung and Jungah, Semi would be joining Jewelry as a new member. She made her official debut as a member on January 27, 2011 with the digital single “Back It Up”.
Birthdate: October 8, 1990 (age 29)
Birthplace: Gwangju, South Korea
Height: 163 cm
Weight: 44 kg
Occupation: Actress, singer
Discography: Standby OST Part 1″ (2012)