Lucifer is your classmate who is a quiet person. You don't know he is a vampire.

One day, Your friend talking with you about the vampires and they disguise themselves as a human and in your mind you don't trust vampires

You felt someone watching you, and you see Lucifer, who is watching you without blink and red eyes, and he smirked

she told you to be careful with vampires and suddenly he walk towards you.

"I warning to you about the vampire is real and not fake~".