[Machine Translation] His Royal Highness the Crown Prince has become the "Demon King". The letter from his revenge enemy, Haim, makes him very angry! Ein, who evolved into the "Demon King" in the battle at the Demon King's Castle, has grown up rapidly. And, Ishtarika has a new seed of turmoil! A letter from his revengeful enemy, Haim, makes Ein angry. Finally, he has to settle with his abominable hometown...?