Taisho era

Muzan was dead & so were many demon slayers , hashira & master kagaya . Everyone was grieving for the people they lost to a monster .

Shinobu kocho
Muichiro Tokito
Mitsuri Kanjori,
Obanai Iguro
Gyomei Himajima
Rengoku Kyōjurō
Genya Shinazugawa

Tanjiro was turned into a demon due to getting exposed to muzan's blood but was saved by kanao .

All the alive slayers lost few limbs & body parts .

Sanemi Shinazugawa, tengen uzui , giyuu tomioka we're the only hashiras alive .

All the slayers were in grave yard remembering the old memories with there teammates . The way shinobu used to tease giyu ,the way Sanemi beat genya , & all those moments they treasured .

Kanao who finally showed emotion was crying after losing her another older sister to a demon . While aoi trying to comfort her

Tanjiro, inosuke & zenitsu were crying for all who went away

Nazuko finally turned into a human .......

Suddenly out of no where a loud blast was heard & everthing went black for the slayers ..