Kamado Y/N, that's the name given to her. She's the younger twin sister of Kamado Nezuko and the younger sister of Kamado Tanjiro. Unlike her twin who acted ladylike, Y/N on the other known to be boyish yet still gentle and kind. She's also known to be smart, and it's all thanks to her love to read books. After the tragic death of their family members, the twins and their brother decided to explore the world. Their main goals is to find the culprit behind their family's massacre. Everything seem to go well for the three of them, except for the rocky encounter with the man-eating demons. Until one day, they were taken to a place known as Demon Slayers Corps, where they meet a group of people that belong to the highest rank of the organization, known as the Hashira's. There, Y/N managed to catch the interest from a certain Mist Hashira. What will happened to them? Curious? Read and follow their journey. Disclaimer : I don't own Kimetsu No Yaiba. Any addition to the story that isn't in the anime are based on my own imagination. DO NOT COPY OR TRANSLATE WITHOUT PROVEN PERMISSION!

A Pillar who's even calmer than any of them, with a smile always on this Pillar's face. . . . 'A priceless smile' the other Pillars thought. . . . . >How would this Pillar handle this high position at a very young age? >Is it worth it to become a Pillar or no? . . . . . . . . . . (I'm really sorry everyone, this is my very first fanfic.)

y/n kibutsuji was muzans little sister who suffered from the same disease he did. they first met when she was 5. Listen i have read a lot of amazing story like this but they never have the ending im looking for. or the excitement im looking for that comes with siblings. I have siblings of my own. and scenes im the oldest i can best incorporate this the way i like. and i hope you like it too I do not own kny all credits go to the creator. I only own half of this plot.