Jiang Ning is a little vampire who lives a salty life. One day, a system tells him: You are the son of destiny and you have to save the world.
Jiang Ning at the beginning: What the hell, aren't you saving the world? Why fall in love
Later Jiang Ning: Luoluo, give me a sip of blood!
The first world: Human President X Mermaid Prince
The second world: Dark wizard
The third world: psychiatrist x little fool
The fourth world: autism x kitten becomes sperm
The fifth world: Demon King
Other worlds to be determined
Concept: sweet love