When six-year-old Y/n loses her brother to a demon, the 97th leader, Ubuyashiki Kagaya, ends up taking her in - caring for her as an older brother would. Swearing to protect her new family and friends, little Y/n promises to become a demon slayer and kill every demon. However, when years pass by and Tanjiro and his demon sister Nezuko arrive, Y/n ends up wanting to protect two more people. - I do NOT own Demon Slayer or its characters, I only own this fanfic's plot and my OCs.

"What?? Thats it?? I don't end up with anybody?!? Ugh this KnY dating simulator is bullshit!!" I complained and looked at the time,It was 4:50 in the morning. I sighed,"I can't believe I wasted my time for this... I have work in 6..." I soon walked up to my bed and grabbed every minutes and hours of sleep I could get. "Hey Y/n....." A voice says,calling me. Ugh what the fuck I'm sleeping go away,its probably mom. "...Y/n.." Wait what the fuck I live alone YEEETT!!! My eyes shot open to reveal Tanjirou calling out my name, "Thank goodness you woke up... Class is about to start. Wait... Why.. What.. When... WHAT THE FUCK?! (This story is in a modern time.)