Recent highschool graduate Amonire Nekudo has just moved to another city and is looking for a steady job. When she becomes the middle school math teacher st the prestigious Kimetsu Academy she has no idea what's coming for her. From adorable middle schoolers to fencing vs kendo fights to exploding bathrooms to teacher intrigue, there's a lot to get used to with all the quirky students and staff. Why is the evil politician Muzan so determined to close the school? And why is her little sister so interested in Genya Shinazugawa? Worst of all, she realizes that her long estranged ex-boyfriend is the P.E. teacher, and it's increasingly hard to ignore him. Find out about it in this story!