Kōichi Yamadera

Koichi Yamadera is a Japanese actor, narrator, and singer from Shiogama, Miyagi Prefecture. He graduated from the School of Economics at Tohoku Gakuin University. Yamadera is currently affiliated with Across Entertainment, having previously been associated with the Tokyo Actor's Consumer's Cooperative Society. He is known for his versatile voice work and acting, and has become a prominent figure in the Japanese entertainment industry.