K
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.
- Title: K
- Popularity: 3.607
- Known For: Acting
- Birthday: 1997-10-21
- Place of Birth: Kashiwa, Chiba, Japan
- Homepage: https://hybelabelsjapan.com/andteam/eng/
- Also Known As: Koga Yudai, 古賀 祐大, こが ゆうだい, 케이, ケイ, &TEAM, 앤팀, andTEAM, エンティーム