The boy named Ulysses longed for the respected profession of priest since he was a child, and he has been working hard for this ideal. However, by accident, he became the heir of the demon king selected by the cursed book. After experiencing many After setbacks and blows, he is still working hard, trying hard, trying to walk back to the path of priest. However, there are many powerful enemies in front of him. Always lost, the brave fiancée Rasha who is devoted to Ulysses; guarding the curse The book, the little devil Aya who wants to turn him into a demon king by any means; the mother of the ice phoenix who is very worried about her children; the girl with the strongest weapon, Helen, who can destroy the world for her father. Magic A witch with terrible sword skills but excellent skills, a saint who has the ability to descend from the gods, a dragon princess who burns like a flame, Hydra who loves to have sex and loves everyone coming together... There are also many brave men who are preparing to crusade against the devil today. Among these cute And in front of the passionate brave man, can he really become an ascetic priest as he wished? (In this story of love and justice, all the girls who can overthrow the devil are brave men)