K

Acting

Born October 21, 1997 · Kashiwa, Chiba, Japan

Koga Yudai (古賀祐大; born October 21, 1997), known professionally as K (ケイ; 케이), is a Japanese singer and choreographer under HYBE Labels Japan. He is a member of the boy group &TEAM.

Known for

Inkigayo

Inkigayo

1998

DayDay.

DayDay.

2023

Blue Lock

Blue Lock

2026

IDOL 1N2D

IDOL 1N2D

2022

Idol Human Theater

Idol Human Theater

2021

I-LAND

I-LAND

2020

Hong Seok-cheon's Jewelry Box

Hong Seok-cheon's Jewelry Box

2023

The Silence Of IDOL

The Silence Of IDOL

2020

Acting(58)

2026HYBE CHEERING PARTYSelf (archive footage)

2026Unveil &TEAM

2026Blue LockNagi Seishiro

2026SUMBAKKOKJIL 2Self

20262026 &TEAM CONCERT TOUR 'BLAZE THE WAY' in JAPAN

2026&TEAM vs FANTASTICS

2026After Inkigayo! UP Karaoke

2026IDOL PUMP KING

2026&TEAM COURSE

2025Phone A Fangirl

2025&TEAM 100 Days Journey ~Howling out to the World~

2025IDOL DKDK CLUB

2025Ya Boy Kongming! The MovieSelf

2025Sakusakuhimuhimu ☆ oshi no furu yoru ☆

2025MAEJEOMGAYO

2025ALL!Light! &TEAM

2024HYBE CINEMA NORAEBANGSelf (archive footage)

2024Take MeGrim Reaper

2024Otodoraku Root

2024&TEAM 1st SINGLE "Samidare" SPECIAL TALKSelf

2024Go ONE!!! MEET & LINK

2024Cha Cha Cha

2023Hong Seok-cheon's Jewelry BoxSelf

2022&TEAM Gakuen

2022Idol's Physical RaceSelf

2022&Audition - The HowlingSelf - Contestant

2021Girls Barking Night

2021Idol Human Theater

2021Night Brunch

2020The Silence Of IDOL

2020I-LANDSelf - Contestant

2020CDTV Live! Live!

2020Sore Snow Man ni Yarasete kudasai

2019Mezamashi TV

2018The Breakthrough Files

2016Celebs Play With Puppies & Kittens

2016Dingo Attack

2015Boiling Words 10

2011Hirunandesu!

2004Wolf Boy Lie or Truth

19961 Oku-nin no Dai Shitsumon!? Warattekoraete!

1991All Star Thanksgiving Festival

K — Watchpile | Watchpile