TST, which was previously known as Top Secret, is a boy band formed in 2017. It was launched by the JSL company. Their debut was on January 4, 2017, with their album “Time’s Up.” Their second album in succession was another mini-album, “Wake Up,” which was released on June 4, 2017.

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TST members
Kim A In
Stage name: Ain
Kim was born in Asan, South Korea. He wanted to get into JYP entertainment but fell short. He’s a choreographer and has enlisted himself in the military.
Kim Hyeong In
Stage name: K
Hyeong was born in Gwangju, Korea. He speaks fluent Korean and English and has been a member of NOM. He also has his brand named Mellow Wolf.
Choi Woo Yeong
Stage name: Wooyoung
Wooyoung has studied in California, the US, for seven years. He is out of music for quite some time now.
Kwon Yong Hyeon
Stage name: Yonghyeon
Kwon is the main vocalist of the band.
Kim Jung Hwan
Stage name: Yohan
Yohan was born in Ulsan, Korea. He was a master of drums and piano and is also a former member of NOM. He sadly passed away on June 16, 2020.

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Lee Jung Hoon
Stage name: Junghoon
Junghoon has participated in “The Unit” but was eliminated right after the first round. He left TST and has opened his own YouTube channel alongside his girlfriend.
Lee Kyeong Ha
Stage name: Kyeongha
Kyeongha also participated in “The Unit” but was eliminated quickly. He’s also served some jail time and some years of probation.
TST ages
- Kim A In: Age: 27
- Kim Hyeong In: Age: 30
- Choi Woo Yeong: Age: 25
- Kwon Yong Hyeon: Age: 25
- Kim Jung Hwan: Age: 29
- Lee Jung Hoon: Age: 25
- Lee Kyeong Ha: Age: 23
TST albums
Mini albums:
- Time’s Up (released in 2017)
- Wake Up (released in 2017)
Single albums:
- Love Story (released in 2018)
- Paradise (released in 2018)
- Wake Up (released in 2019)
- Countdown (released in 2020)
TST songs
Time UP’s album:
- Intro (Time’s Up)
- Without You
- 이름 부르지도 마
- She (Inst.)
- She
- Something Special
Wake Up album:
- Intro (못견디게) (title length: 1:09)
- Mind Control (title length: 3:53)
- Dumb (좋다니까) (title length: 3:11)
- Up & Down (하루 열댓번) (title length: 3:11)
- Yesman – (title length: 3:07)
- Mind Control (Inst.) (title length: 3:53)
Love Story album:
- Love Story (title length: 3:22)
- (Inst.) (title length: 3:22)
Paradise album:
- Paradise (낙원) (title length: 3:39)
- Paradise (낙원) (Inst.) (title length: 3:39)
Wake Up album:
- Wake Up (title length: 3:09)
- (Inst.) (title length: 3:09)
- 하필 너를 만나서 (K solo) (title length: 3:35)
- 하필 너를 만나서 (K solo) (Inst.) (title length: 3:35)
Countdown album:
- Count down (title length: 3:21)
- Count down (Inst.) (title length: 3:21)
TST merch
K-pop merch is hugely popular worldwide, given how much the bands have an influence on global culture and music. With this popularity of the stars, there are all kinds of different merchandise based on the favorite stars of the K-pop fans. Tees, shirts, sweaters, pullovers — you can’t have enough of shopping K-pop merch any day.
What can I do with all these merches?
Aside from flexing and showing off to your friends and family, there are a ton of other stuff that you can do with these apparel and other fashionables. Put on one of their T-shirts and make a TikTok video showing your love for the stars. In fact, K-pop is one of the most popular genres on TikTok lip-sync videos. Not only this, but you can also choreograph a new dance style with their merch and put on a show on YouTube, TikTok, or other video-sharing platforms. It is one of the quickest ways to popularity.
TST shop
Now that you’ve decided to get some excellent merchandise, here’s talking about the perfect place to get them all. You can choose your ideal merch and make your fan moment for your favorite stars. Not only is the site a secure, shopping-worthy place, your delivery is also assured to be a quick, timely one. So, go ahead and book some cool apparel now.