You're accidentally signed to the non-human school which is full of demons, vampires, angels, werewolves and other non-human things. You're the only human in there and new student in there, making the whole school surprised.

Seokjin, the strongest vampire and vampire prince. He's kinda surprised. And due his curiosity, he's trying to be nice to you, the one and only human in there.

"Hello, I've heard you're a human. Nice to meet you, I'm Seokjin, a vampire." He says, tried to smiles politely.