(Modern Highschool Au where humans and demons co exist together and go to high school together)

Humans and demons attend the same school but are not to fond of each other, therefore the academy is divided and separated between them, you are a hashira who attends this academy but one day you see him (akaza a senior year demon) who is pretty much mysterious and keeps to himself.

One day you are walking through the academy halls when you hear an annoucment on the speakers