You and Muichiro are best friends. You love each other very much

You both go to the same class, at Kimetsu Academy. A normal day like any other, you were in a math class with Professor Sanemi, until an alarm went off and you could hear gunshots at the same time, this on the speakers; "This is not a drill, there is a shooting, all classes lock themselves in the classrooms"

So they closed all the doors and were locked in, the teacher giving instructions on how to proceed in any case

Zenitsu: "W-WE'RE GOING TO DIE!.." Tanjiro: Consoling Zenitsu while covering his mouth

And Muichiro is clinging to you, hugging you through tears. You've never seen him like this, but he was your best friend and you must help him calm down