Zantetsu

斬鉄

Zantetsu
Zantetsu斬鉄 
Hair, Braid, Green
Eyes, Amber
Clothes, Cloak
Role, Antagonist, Oni
Visual novelsSide character - Ken ga Kimi
Side character - Ken ga Kimi: Momoyo Tsuzuri
Voiced byIshida Daisuke
Sasamoto Natsue (child)