Izuku The sumo hero: raiden
After being killed by shiva during ragnorok raidens soul went to nifelheim and unlike what people thought souls were not destroyed and can no longer reincarnate however this is not the truth in fact they are reincarnated in another universe and when raiden died he was reincarnated as izuku midoriya and he decided to become a hero not only to protect the weak like he promised his previous mother but he'd show everyone the power of sumo…