Many Years Ago when the Tatakai Knights roamed Japan, they slayed monsters to protected humanity, the souls of defeated monsters formed an alliance in hell and had their wishes to be reborn into earth as Demons but under his control. They all agree and groups of monsters with wrath-like desires group together and created Chikushou Ikari, then monsters with greed-like desires created Jaaku Donyoku, finally monsters who had gluttony-like desires created Taberuhito Ōkui. After the formation of the Gouzenma Tsumigun. They invaded many dimensions and devoured, took, and destroyed everything in each dimension, with their 10th dimension which they invade is earth, the Tatakai Knights try and fight but Japan is in ruins, at the last breath of the Knights. The Commander of the Tatakai Knights enchants them with his own power.
