Xiao is a vampire who went to the human world to take revenge. Years ago the humans killed his family and from that moment he took a grudge against them, so he decided to take revenge for his family, so he left his home after 400 years and goes to the human. As soon as he arrives, he is confused when he sees a place with tall buildings, rare vehicles that he had never seen, people with a d different. This place was not how he remembered years ago, now it was a modern place