She was originally the youngest daughter of the Dragon King of the North Sea, the fiancée of the prince of heaven, and the little princess with the highest honors and favors in the three realms; and he was originally an unknown person in the demon world, how could he make her fall in love with him so much? Behind the complicated life experience, where can he go? How could two people from two different worlds have such an entangled relationship? Can feelings that cannot be tolerated in the world finally be cultivated?