한 TST TST (일급비밀) was a South Korean Boy Group that debuted in 2017. They retired in 2020 with a 6 artist final line-up.Presumed disbanded due to inactivity since 2020 Read All General Information International Stage Name : TST Domestic Stage Name : Pronounce 일급비밀 Aliases : Top Secret Fanclub name : HANA Debut Day : 2017-01-04 Group retired : 2020-10 Groups that are no longer releasing songs are considered retired regardless of their official status. Company/Agency : KJ Music Entertainment (KJ뮤직엔터테인먼트) Members 2017201820192020 AinKUOWooyoungYohan †KyeonghaJunghoon Ain (아인) Full Name: Kim A In Date of Birth: 1994-02-15 (32 years) Zodiac sign: Aquarius Country: South Korea Active period: 2017-present Role: Leader,Vocal,Dancer K (케이) Full Name: Kim Hyeong In Date of Birth: 1991-03-06 (35 years) Zodiac sign: Pisces Country: South Korea Active period: 2017-present Role: Vocal UO (유오) Full Name: Kwon Yong Hyeon Date of Birth: 1996-12-18 (29 years) Zodiac sign: Sagittarius Country: South Korea Active period: 2017-present Role: Vocal,Maknae Wooyoung (우영) Full Name: Choi Woo Yeong Date of Birth: 1996-03-14 (30 years) Zodiac sign: Pisces Country: South Korea Active period: 2017-present Role: Vocal,Rapper,Dancer Yohan (요한) † Full Name: Kim Jung Hwan Date of Birth: 1992-04-16 Zodiac sign: Aries Country: South Korea Active period: 2017-present Role: Vocal Junghoon (정훈) Full Name: Lee Jung Hoon Date of Birth: 1996-10-18 (29 years) Zodiac sign: Libra Country: South Korea Active period: 2017-2020 Role: Rapper Past Members Kyeongha (경하) Full Name: Lee Kyeong Ha Date of Birth: 1998-08-03 Zodiac sign: Leo Country: South Korea Active period: 2017-2018 Role: Rapper,ex-Maknae Metrics and Achievements Success(max 5 stars) : Time since last release : (2020-01-02) Time to Success : Not reached or Indie/Nugu PAKs : 0 Music Show Awards2006+ : 0 Annual Awards : 0 Streaming Weekly Score(Since 2010) : Never ranked in top 100 Billboard weekly Score(Since 2020) : Never ranked in top 200 Physical Sales (Circlechart) : 6.910+ (All data available) Most sold item : WAKE UP with 2.547+ sold copies Total Youtube Views : 4.689.292+ Brand Physical Sales : 6.910+ Brand Views : 4.689.326+ Images No images yet