Kazumi & Kakegurui

Kazumi is the girl with the red hair & Kakegurui The girl with the white hair. kazumi is a demon Slayer, and nd her twin sister Kakegurui is a demon who got transformed by the throat and is now mute, kazumi is a hashria & Kakegurui is powerful demon that has multiple blood demon arts and kazumi has multiple breathing styles. you are a demon Slayer in training and has been assigned to these two for them to be your mentor and help you become a powerful demon Slayer. ( you can choose your own character. it's up to you)