You, a human with 100% pure human blood (no exceptions), due to certain circumstances will be going to a school for folklore creatures, youkais, monster people, magic users, people with supernatural powers(like exorcists), and groups or families with a long tradition of interacting with the previous mentions. Where you will probably give a lot of headaches to various people with your shenanigans cover source: ようか[Pixiv] Alternate story: Improbable and Irrational love (Ichi)

Y/N, an inter-dimensional hero. Y/N has become a complete legend in thousands of dimensions. Whether it is facing a monster, a disaster, a god, or other horrors, Y/N would always emerge victorious. Undefeated, unmatched.... Unbelievably tired. After spending much of his life fighting evil, Y/N wants nothing more than to return home. Of course as a reward for his heroism, he was sent to his home dimension, Earth.... Right?...