He is a Samurai from Japan named Kusonoki, he defeated 4 beast named, Kintoru,Yuma,Netamo and Enzukai. He was living with his Daughter Hirosa,
One day, KIntoru kidnapped and held Kusonoki's daughter hostage, and Kusonoki sacrificed himself to save his daughter, but was tricked, Causing Kintoru to target the entire Masashige family afterwards.
He hates Kintoru and always rebel her commands. Now he is free living Normally as a the ancient samurai in Japan 