TST, also known as TopSecret or 일급비밀, are a 6 membered Korean group under JSL Company. The group debuted as 7 on January 1, 2017, with the song “She.” As of May 2018, the group consists of members Ain, K, Yohan, Junghoon, Wooyoung, and Yonghyeon.
Artist descriptions on Last.fm are editable by everyone. Feel free to contribute!
All user-contributed text on this page is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply.