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TST (short for TopSecret (일급비밀, 一級秘密); known pre-debut as 7STONE) is a seven-member boy group under JSL Company. They debuted on January 4, 2017 with their first mini album Time's Up. On April 3, 2018, their agency announced the group's name change to TST.[1] On June 11, 2018, Kyeongha left the group.

Members

  • K (케이‬‬) - vocals
  • Yohan (요한‬) - vocals
  • Ain (아인) - leader, dance
  • Wooyoung (우영‬) - vocals, rap
  • Junghoon (정훈‬) - rap
  • Yonghyeon (용현‬) - vocals
Past

Discography

Korean

Mini albums

Single albums

Japanese

Singles

Trivia

  • K, Yohan, and Ain were former members of NOM.

Gallery

References

Official links