古賀 祐大
出生地：Kashiwa, Chiba, Japan
又名：Koga Yudai,こが ゆうだい,케이,ケイ
家庭成员：-
Koga Yudai (古賀 祐大; born October 21, 1997), known professionally as K (ケイ; 케이), is a Japanese singer under HYBE Labels Japan. He is a member of the boy group &TEAM.
出生地：Kashiwa, Chiba, Japan
又名：Koga Yudai,こが ゆうだい,케이,ケイ
家庭成员：-
Koga Yudai (古賀 祐大; born October 21, 1997), known professionally as K (ケイ; 케이), is a Japanese singer under HYBE Labels Japan. He is a member of the boy group &TEAM.
