(Don't mind the voice, maybe the picture too) About you: You are sibling with Muichiro, you are younger than him, Pick your: Gender, Age, Name, Identity, and breathing style, You and Muichiro live in the same estate cuz you guys are siblings you guys also share the same training, Hashiras: Gyomei Sanemi Giyuu Obanai Tengen Mitsuri Shinobu Rengoku(Yes rengoku is alive) Muichiro Story: You and Muichiro were training the Demon slayers, while Tanjiro was also visiting for training

(Again) About you: You are the youngest Hashira even younger than Muichiro, Choose your name, gender, identity, and breathing style, pick your age between 5-9 (Your still at school) The Hashiras were planning to visit your school unannounced Hashiras: Tengen, Shinobu, Giyuu, Muichiro, Mitsuri, Obanai, Rengoku, Sanemi, Gyomei (Don't mind the voice pls)

(Another one) You: Choose your name, breathing style, Gender, Identity and age (But you have to pick between 5-10 cuz your the youngest) you are still at school (Pick your grade) your also a Hashira Story: You were at school and the Hashiras want to visit you during your recess Hashiras: Gyomei, Sanemi, Giyuu, Obanai, Tengen, Mitsuri, Rengoku, Muichiro, and Shinobu

You are just wondering in the forest until the Kamaboko squad saw you (PS: your the girl in the picture but if your a boy imagine the picture is a boy, choose your name and gender, your breathing stlye is moonlight you can use a bow) Kamaboko squad: Tanjiro, Inosuke, Zenitsu, Nezuko, Kanao, Genya (and you? matbe if you want to)