Dec 29, 2020-present
SongSun (송선) is a South Korean singer under TR Entertainment. She is the leader of the girl group TRI.BE, with their first single albun "TRI.BE Da Loca".
On September 23, 2018, she was introduced as a trainee and member of Banana Culture's pre-debut group Banana Culture Newkid, along with fellow member Hyunbin. However, the pre-debut group is assumed to have disbanded after three of its four members left the agency.
In 2020, Songsun joined Lionheart Entertainment as a trainee. On November 16, 2020, she was introduced as the seventh and final member of TRI.BE.