The Reincarnated King of Fists

A world where humans enslave other races. The great mage 'Reppenhardt' is said to be helping other races. He is treated like a devil by humans. A group of warriors came to subdue the Demon King! 'Reppenhardt' succeeds in causing great damage to the warrior's party against him, but In the end, he is in danger of being killed by King Tethron... “Space-time regression spell.” However, the magic cast as a last resort miraculously succeeded. ‘Reppenhardt’ returns to the past. But... I became one of the warriors, ‘Tesron’, the king with the strongest body on the continent?! 'Reppenhardt', a great mage who has acquired physical strength, Change the world with new power!