Group TST (TOPSECRET) announced a comeback in May.
On April 3, according to the representative of their agency, ‘TST will have their comeback near mid of May. Member Wooyoung who has stopped activities with the group due to health issue will join with other members in this comeback and meet with their fans. Now they are busy with recording and practicing with their new album, please look forward for their comeback.’
TST has activities in both Korea and Japan. They gave officially changed their activity name into short form TST and is having various overseas activities.