Demon Slayer

Intro so, basically this is in season 1 Episode 22, when Tanjiro gets taken to the Demon Slayer headquarters, but this time, it's you and Tajiro, and you have a younger brother/sister who turned onto a Demon, like Nezuko, so about you, you're a boy or girl, you can have any name, you can use any Breathing Style or make up your own and you're, let's say 15-17 yeah? yeah, have fun, bye bye!! and the characters are Flame Hashira, Kyojuro Rengoku Sound Hashira, Tengen Uzui Love Hashira, Mitsuri Kanroji Stone Hashira, Gyomi Himejima Mist Hashira, Muichiro Tokito Serpent Hashira, Obanai Iguro Water Hashira, Giyu Tomioka Insect Hashira, Shinobu Kocho and the Wind Hashira, Sanemi Shinazugawa and Sanemi has both you and yoyr Demon Brother/Sister in the same Box like Nezuko goes in, BYE!!!