TST Profile

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Company: KJ Music
Years Active: 2017-Present
Debut: January 4, 2017
Former Name: TopSecret
Members: K, Ain, Wooyoung, Junghoon, and Yonghyun
Former Members: Kyungha (2017-2018), Yohan (2017-2020)

Birth Name: Kim Hyung In
Stage Name: K
Birthday: May 6, 1991
Position: Lead Vocalist
Height: 178 cm
Weight: 63 kg
Blood Type: AB
Instagram: @kimkei0101
-He is from Gwangju, South Korea
-He is a fan of Super Junior
-He is a former member of NOM
-He began his mandatory military service on March 21, 2019

Birth Name: Kim Ah In
Stage Name: Ain
Birthday: February 15, 1994
Position: Leader, Main Dancer, Vocalist
Height: 182 cm
Weight: 64 kg
Blood Type: O
Instagram: @ainismxx
-He is from Asan, South Korea
-He is a fan of Wonder Girls, EXO, and BIGBANG
-He is a former member of NOM

Birth Name: Choi Woo Young
English Name: Danny Choi
Stage Name: Wooyoung
Birthday: May 14, 1996
Position: Lead Dancer, Vocalist, Rapper
Height: 178 cm
Weight: 60 kg
Blood Type: A
Instagram: @wy0514
-He lived in California, USA for 7 years
-He did not participate in “Wake Up” or “Countdown” promotions due to health issues

Birth Name: Lee Jung Hoon
Stage Name: Junghoon
Birthday: October 18, 1996
Position: Rapper
Height: 175 cm
Weight: 58 kg
Blood Type: AB
Instagram: @hoon2_jung
-He participated on The Unit

Birth Name: Kwon Yong Hyun
Stage Name: Yonghyun
Birthday: December 18, 1996
Position: Main Vocalist, Maknae
Height: 175 cm
Weight: 58 kg
Blood Type: AB
Instagram: @yyyyyyonggg

Former Members

Birth Name: Lee Kyung Ha
Stage Name: Kyungha
Birthday: August 3, 1998
Position: Rapper, Maknae
Height: 174 cm
Weight: 57 kg
Blood Type: O
-He participated on The Unit
-He left the group in May 2018 because he was sentenced to 18 months in jail after confessing to sexual assault charges

Birth Name: Kim Jung Hwan †
Stage Name: Yohan
Birthday: April 16, 1992
Death: June 16, 2020
Position: Vocalist
Height: 180 cm
Weight: 64 kg
Blood Type: O
Instagram: @yohanee0416
-He is from Ulsan, South Korea
-He is a fan of VIXX, B.A.P, BtoB, and Infinite
-He is a former member of NOM
-He passed away in June 2020, the cause of death will not be revealed per family’s request