Summoned as a hero to combat the demon tribe, Reisel faces rejection and exile due to a mistaken assessment of his combat prowess. Unbeknownst to all, his true strength surpasses everyone in that world. Venturing across lands, Reisel discovers the demons' true nature and opts to ally with them. As he integrates with the demon tribe, a shift occurs: once rejected, now embraced, Reisel witnesses the demons' prosperity while the kingdom that spurned him spirals into decline.