I

Rengoku Reiko is Kyoujurou's twin sister, and it shifts the course of history.

She accompanies her brother as his tsuguko after he becomes the Flame Hashira, and helps in defeating demons alongside her fellow demon slayers.

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This is NOT a reader-insert !! This will NOT have reader or OC/kny characters !!

This will be OC/OC, and I will include my own ships in here, most of which are not straight, so if you're not interested in that, don't read this.

I hope you enjoy this if you do choose to read it !!