Become the Strongest Hero Through the Cheat System

Synopsis

After losing his parents, Tsuyoshi survives by scavenging in a monster-ravaged world while caring for his younger sister. A mysterious ring suddenly sends him to a realm ruled by beastmen, where he faces execution. The artifact awakens extraordinary strength and places a sacred hammer in his hands, leading the beastmen's king to offer him one year to become their champion and earn his life.