I went as neutral in your characters history as I could in all my Nakano fics. No foxy wife, almost no acknowledgment of you who did and didn't bone (except maybe FemKeros in genderbent one for some casual dirtytalk). I wanted it to be as all encompassing as I could make it.
The major differences are in the set up. In male one you blackmail the homeboy into some gay sex. In female one you let him feed off your lifeforce since he didn't do it in so long or something. And in genderbend version, Nakako is being punished/pranked by Keros by being turned into a tomboy that has to be your concubine for a day.
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Something like this (art by Anonarts)