This story takes place in the Alstrauss Empire, where humans and demons are sworn enemies, ever at war with each other. The protagonist, Ninita, is the daughter of the land's ruler, Lord Hunt. An innocent girl with outstanding magical talents, the people hope she will become the Saint Priestess, a powerful human guardian the likes of which haven't been seen for a millennium. However, she ended up falling in love with Jeff, a wolf demon, and next in line to become king of his people.

Original Webtoon: Ver.1: AC.QQ, BiliBili, KuaiKan Ver.2: AC.QQ, BiliBili, KuaiKan