Birthday: 1997-10-21
Age: 27
Place of Birth: Kashiwa, Chiba, Japan
Known For: Acting
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.