K-12 (Muichiro x reader, School AU)

(THIS IS AN INSPIRATION FROM MELANIE MARTINEZ ALBUM "K-12" SO ALL THE CHAPTERS WILL BE NAMED AFTER THE SONGS IN THE ALBUM, ALL RIGHTS GO TO MELANIE MARTINEZ)

The school you go to is called Kimetsu Academy. A new school you go with your best friend, Hintari Hanako (Be_Mine_Alreadys oc) You're highly sensitive to everyone, until you met Muichiro Tokito and Yuichiro Tokito, the twins. What will behold coming to this school?