In 2016, Sei became a contestant on Mnet’s new survival show Produce 101, representing her company LOUDers Entertainment. She was eliminated in the episode 5 after achieving 85th place. After the show, she left her company and signed with Fantagio Music.
Birthdate: January 7, 2000 (age 20)
Birthplace: Ansan, Gyeonggi, South Korea
Height: 163 cm
Weight: 49 kg
Occupation: Rapper, singer
Discography: FM201.8-10Hz : You and Me” (with Ants) (2018)