A girl named rina stumble upon a mysterious gem stone one day as she was bring back home to show her family she got transported to demon slayers Disclaimer:I don't own kny demon slayer or its characters Warning: the plot does, not start right away the first two chapter are rina settling into the new world. She got trapped into and where she is. Also there will be a lot of blood and gore in some chapters if you find that you don't like that. You may skip those chapters to the next chapter or don't I can't tell you what to do.