Teppei Koike (小池徹平) is a Japanese singer and actor. Koike and Eiji Wentz (ウエンツ瑛士) forms the singer-songwriter duo WaT. The duo released their debut single Boku no Kimochi (僕のキモチ) in 2005.
Teppei Koike (小池徹平) is a Japanese singer and actor. Koike and Eiji Wentz (ウエンツ瑛士) forms the singer-songwriter duo WaT. The duo released their debut single Boku no Kimochi (僕のキモチ) in 2005.