Ubuyashiki Curse
Master Kagaya Ubuyashiki could never wield a blade, so he was left to lead the Demon Slayer Corp from home. However, when his younger sister learns the art of swordsmanship, he allows her to participate in the final selection. Sanemi X OC story (he fell first, she fell harder)*Demon Slayer and all characters besides OC belong to Koyoharu Gotouge.*…