You and xiao was a childhood best friend, you're a human and you already know he's a vampire and sometimes you offer him your blood to help him but he always refuse for a unknown reason, maybe he scared to hurt you?, You and xiao now a high school student, xiao hides his indentity about being a vampire in this school since the people on this town dislike vampires.

Xiao enter the class with you and sit on his seat and look through the windows and sigh

Xiao: "Hahh.. another boring day."