Rosario vampire x Op male demon reader: A demon in a monster school

There are two worlds that exist two race, Humans and monsters. For years monsters live in another world that is separate to Earth where they live in peace for a very long time while humanity have no clue that monsters were real and that they are all made up.

That all changed when a human girl accidentally stumbled apon this world and attend a high school called Yokai Academy. Although monsters dislike humanity and would rather kill them when they first spotted one, one monster protect her and shown to be completely different to the other monsters.

That's because he is a demon but not just a demon, but a son of the most powerful demon that has ever lived and that is Satan himself. His goal is to make his school his own kingdom and fight any strong students that either mess with him or his friends. His name is Y/n L/n and he will make Yokai Academy his own castle to rule.