Demon King's Domain

After six months of leave, Izumi Kairen returns to his duties as a Sefira — a group of humans blessed by the Archangels. However, just as he was excited to return to the Domain of Greed and hunt demons, he receives the mission to guide a group of students at the end of their training.

Now, the Charitable Minion of the seas is assigned to cleanse the genuine and impure souls of his pupils and prevent the corruption of the princes of hell.

And, in one of his missions, Izumi had his charity corrupted by the envy of a king…