After mistakenly transfering to a high school for monsters, you try to tell them that you’re just a regular human. However, because of bizarre coincidences creating apparently inexplicable situations, the school population and teachers come to believe you’re actually an Eldritch Abomination
The school has to explain to you that you are, in fact, a monster.
Lots of conditioning needs to be untangled there.
Turns out humans are the only sentient species that deny their own monsterhood.