diabolical lovers

First, we need your information: name, age, height, weight, what you look like. The boy with the red hair and hat is called Laito. The one with the red hair is called Ayato. The one with the orange and yellow gradient is called Shu. The one with the gray hair and glasses is called Reiji. The one with the white hair is called Subaru, and the one with the purple hair is called Kanito. And they are vampires. Your uncle sends you on vacation to his friends' house. You go, and when you enter, the door closes, and you discover that your uncle sent you to a vampire's house because you are the girl with infinite blood; your blood never runs out.