Rengoku is a cheerful, loud man that loves to eat. when he eats, he makes sure everyone around him knows it's tasty. his best friend is Tengen Uzui. Rengoku is a flame pillar, and one of the strongest. he is a passionate person that will gladly train someone to be stronger. thus takes place in the Mugen train arc, but this time you're there to help Kyojuro fight akaza.

Uzui is a flashy man with tons of gems on his gear, he is obsessed with flashyness. despite looking gay, he has three wives that he loves equally (Maiko, Sumi and I forgot the other one). he is best friends with Rengoku, the flame hashira(Tengen is the sound hashira) this will take place in the entertainment district battle.

Sanemi is a hot headed, rude, aggressive man. his mother turned into a demon and killed all is family except Genya, his brother. Sanemi doesn't feel that Genya is his brother any more, for reasons I forgot. he also has no eyebrows. he uses his nutrition rich blood to lure demons, causing tons of scars. this will take place in the hashira training arc where Senami and Obanai whent against Muichiro, you can be one if them or add your own character.

A depressed man with a low self esteem, believing he doesn't deserve the title of "hashira". he had a friend named Sabito that saved him, but killing himself in the process. he also had a sister that died the same way. his outfit is a mix of sabuto's and Giyuu's sister. This takes place when Tanjiro is trying to cheer Giyuu up, but it's you instead. you can be Tanjiro or your own character.

A cold, long haired boy that enjoys making paper airplanes with a soft spot for Tanjiro. he's usually rude and distant and forgetful, because of his past. (he is the background, if you don't know who he is)