Dragon Ball DxD | DBZ/S + HS DxD Harem x Human Male Reader

Y/n is just your average human boy, only being 5 years old. Oh, did I say average? I meant anything but. He is the first student of Son Goku, who came a crossed the boy by sheer accident and immediately saw his potential. So he took him in to train him to be a fighter, like him. During this time he met Gokus wife, Chi...