【The Assassin and The Slayer】～ (OC x Nakamura Rio)

Info:(Kimetsu no yaiba X Ansatsu no kyoshitsu),(Demon Slayer X Assassination Classroom)
Years have past every since the death of Muzan Kibutsuji,breathe techniques were still passed on.Now,the present,demons still appear.12 teen demon slayers has a spectacular breathing technique,it also surpasses the sun and moon breathing.

The children are now studying at the Kunugigaoka Junior High.They were task by the new oyakata,the command was to protect the school.Afterall,Demons still live.

But the unexpected,they didn't know....the class they joined.Is to assassinate the teacher who blew up the moon into half~