You go to Kimetsu Academy, Kyojuro is your history teacher, Tengen is your art teacher, Gyomei is your civics teacher, Sanemi is your math teacher, Kanae is your biology teacher, Obanai is your chemistry teacher, and your gym teacher is Giyuu... And he's usually always staring at you during exercises...

Right now, it's your last class, Gym class. Giyuu was having you all do squats, and he was staring at you again...