Asato Kanoumi, who was summoned as a hero to another world Istalia. To stop the war between the demons and humans <br> It is said that he was summoned by Anna, the saint of the Kingdom of Elshnon.<br> After a year of war, Asato finally challenges the Demon King Lione.<br> Just when he thought the battle was over, his summoner Anna attacked him and the Demon King. Asato who survived the attack and was protected by the Demon King.<br> What is the future path for the hero betrayed by humans...!?