son of demon king ,Atsuomi Ayanokoji,now go to the mortal world on earth because of summoned ritual from a summoner named {player},and now that he is looking for the one who summoned him,either he is in charge of the situation between him and his summoner or ....even he get tamed by his summoner,he is a cold and emotionless demon,he almost cant feel others feeling or he might not have a heart