Group Members

K (&TEAM) Profile, Bio, & Facts 

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K (케이) is a Japanese singer and a member of the boy group &TEAM under HYBE Labels Japan.

K (&TEAM) Profile

Stage NameK (케이)
Birth NameKoga Yudai (古賀祐大)
BirthdayOctober 21, 1997
Active Years2020–present
Age26 (in 2024)
Zodiac SignLibra
Height186.5 cm (6’1” 1/2)
Blood TypeA

K (&TEAM) Facts:

Early Life

– K comes from Chiba, Japan.
– He used to be a marathon runner.

Personal Life

– Before joining I-Land, K trained for 2 years and 8 months.
– He thinks he’s the face of &TEAM because he’s always in the centre. (Teen Vogue)
– He was introduced as one of the applicants on June 1st, 2020 KST.
– People call him, JO, and EJ, the tall tree. (ELLE Korea)
– His Chinese zodiac sign is the Ox.
– He regularly stretches at night.
– If he had to eat one food for the rest of his life, it would be Tteokbbokki.
– Usually, EJ wakes him up. (Weverse Magazine)
– Even though he couldn’t drink coffee when he was younger, he now enjoys a lot of loose-leaf tea.
– He takes vitamins and probiotics daily.
– He often uses face masks before going to sleep.
– In high school, K was an accomplished marathon runner, receiving a full scholarship for his athletic abilities. However, he turned it down to pursue dance.
– He started drinking coffee due to his brother, who looked cool while drinking it.
– Before coming to Korea, he trained in dance in the USA.
– He once played a Pokémon game three days straight without any sleep.
– He wants to be nominated for Billboard. (Model Press)
– To maintain his voice, K avoids drinking alcohol.
– When he looks at Yuma, he is reminded of his past. (Weverse Magazine)
– He has a journal where he sometimes writes about his daily happenings.
– K is strict on himself and has been nicknamed a Tsundere because of his initially cold demeanour, but he is known to be affectionate, friendly, and cute once he warms up to someone.
– He’d prefer watching a zombie movie instead of a horror movie. (ELLE Korea)
– He uses scented candles and incense sticks at night.


– On June 1, 2020, K was introduced as a participant in the upcoming survival show I-LAND by CJ ENM and Big Hit Entertainment.
– In the first episode, he performed “Danger” by Taemin and successfully entered “I-LAND.”
– By the seventh episode, he secured the fifth position in global votes, allowing him to advance to Part 2 and become one of the final 12 participants.
– Unfortunately, in the final episode, he fell one place short of making it into the debut ranking and missed the opportunity to debut with ENHYPEN.
– On January 1, 2021, he was revealed as a member of &TEAM, the Global Debut Project boy group under HYBE Labels Japan.
– On June 4, 2022, he participated in the HYBE Labels Japan’s &AUDITION – The Howling -.
– He debuted with &TEAM on December 7, 2022, with the release of the mini album “First Howling: ME.”

Likes & Dislikes

– Running is his favourite sport.
– He likes Jazz music.
– His favourite colour is green.
– His favourite movie is Top Gun.
– His favourite place is the river.
– He likes reading.
– He likes perfume.
– He likes watching TV, playing games, and cooking.
– He likes composing music.
– He likes perfumes with a woody smell. (ELLE Korea)

Food Preferences

– K loves the flavour of plum for candy.
– His favourite Korean food is yukhoe.
– His favourite breakfast consists of Fried egg and bacon, Dole banana, and Greek yoghurt and acacia honey (+grain granola).
– His favourite drink is coffee.
– He prefers red bean cake instead of custard cream cake.
– He likes an ice americano that’s light and sour.

K Photos

NOTE: How did you get to know Koga Yudai? Mention your story in the comments section and also share more facts with us if you know!

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Park Emma

I'm a big fan of K-pop, especially the group EXO, and Baekhyun is my Bias. When I'm not writing about K-pop, I enjoy reading books. Join me as I explore the world of K-pop and literature through my writing.

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