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The male protagonist is Shangguan Bin, the future vampire duke. In order to find his childhood playmate Suluo Andra, he went anonymously in the human world. The female protagonist was killed in the vampire world but was not burned to death. She was left to fend for herself in the human world, but she lost her memory. She was picked up by her adoptive parents and renamed Bai Xueer. She was in the third year of college in humans and happened to be transferred to this school to be in the same class as the female protagonist. The female protagonist was originally the daughter of the largest duke in the vampire world. She wanted to inherit the throne in the future, but was killed by an adulterer.

It tells a vampire love story. The heroine has lost her memory and has been missing for eight years. The hero and heroine meet each other by chance without knowing it. The hero and heroine have gone through many hardships together and finally achieved success.