The different breath of Flame//Shinobu Kocho x Male Reader

In a word infested by immortal beings known as Demons. People coward in fear and lived under their threat for decades, not knowing what or who they are as they had seemingly just suddenly appeared.

But few brave warriors know as the Demon Slayers picked up their weapons and trained in the art of the Katana to fight back and kill these creatures, despite the severe disadvantage they were at. Their limbs don't grow back, their wounds take longer to heal, and will die an easy death to such powerful creatures, yet to even out the playing field, they have created what's know as breathing styles.

Everyone has their reasons to joining the core and training with a style, some might be for money, others might be for unfortunate circumstances that set them down this path, but one things for sure, they all fight to protect humanity. Now a young man has grown and decided to become a slayer for reasons only know by few, what such reason? Why don't you find out for both of us?