One day in another world, Lu Yi went to the sea to collect shells and picked up a beautiful man in rich clothes. With the determination to save a person's life rather than being seduced by beauty, he brought the person back. Not wanting it to be dark and windy at night, when he was sleeping well, a slight pain and itching feeling spread from his neck. Half-conscious and half-conscious, he heard a charming sentence: "Your blood is so sweet..."