Seo Yuan, also known as K, is a South Korean singer and composer that made his solo debut on April 10, 2021, with the single “Missing You”. He is also a member of TST.
Seo Yuan (TST) Profile
Stage Name: K (케이)/ Seo Yuan (서유안)
Birth Name: Kim Hyeong In (김형인)
Occupation: Singer, c
Birthday: May 6, 1991
Age 33 (in Apr 2025)
Active Years: 11
Zodiac Sign: Taurus
Height: 178 cm (5’10″)
Weight: 63 kg (139 lbs)
Nationality: Korean
Blood Type: AB
Seo Yuan (TST) Facts:
– He likes to go shopping in his spare time.
– He likes ballad music.
– He is also a composer.
– He can speak English and Korean.
– He loves to eat corn.
– He does not like watching cartoons.
– He loves Super Junior.
– He knows how to knit.
– He is fond of children and anyone younger than him.
– He, under the stage name K, is the lead vocalist in the group “TST”.
– He likes white colour.
– He is not picky with food.
– He often suffers from insomnia.
– He has completed his mandatory military service.
– He makes indie and ballad music.
– He collaborated with JIGM and released the song “Thinkin Bout You” in 2018.
– He changed his stage name to Seo Yuan and released the single “Missing You”.
– He was a member of NOM with Ain and Yohan.
– He launched his own brand called Mellow Wolf.
– His ideal type is a girl with beautiful eyes.
– He held an online concert with ROI, and Zeth and Junghoon also appeared in the concert.
– He held a special Live in Tokyo, Japan, in October 2022.
– He is currently an independent soloist.
Social Media Handles
Instagram: seo_yuan
Youtube: YU AND
Twitter: seo_yuan
TikTok: @seoyuan
Streaming Platform Links
Genie | Bugs | Melon
Seo Yuan (TST) Poll:
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(Special Video Full ver.) Missing You - Seo Yuan:
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#KpopSingers
