Since ancient times, there have been rumours of man-eating demons hiding in the woods. Legend has it that a demon killer wanders at night chasing these bloodthirsty demons. Unfortunately they're not just rumours: demons exists and the same goes for demon killers, well known as Demon Slayer And you're one of them, (F/N) (L/N). ✲•*••✲••*•✲ 𝐖𝐀𝐑𝐍𝐈𝐍𝐆𝐒 This story will contains spoilers. There will be also violence just like in the original work. English is not my native language but I hope that you'll be able to enjoy the story ! 𝐒𝐓𝐀𝐑𝐓𝐈𝐍𝐆 Tuesday, April 30th, 2019

You signed up to become a part time intern at the Armed Detective Agency and it looks like your coworker, Dazai, instantly became interested in you. He volunteers to help you out as much as he can and you notice that he's getting increasingly protective of you. You feel that it's sweet but it seems like there's always just a bad feeling at the pit of your stomach.