Now, Steam won’t allow modded Koikatsu (the engine I’m using for renders) on its storefront, so that means I need to remake all of the graphical assets
Sounds like way too much work to me to be feasible. Anyway, I doubt that Steam is any better environment.
How about you create two versions? The full version and the Patreon version. You can still put your heart into the full version without sacrificing your ideas for strange American capitalistic sense of justice. Doesn’t matter if the Patreon version is strangely cut or rewritten (everybody 18+), it’s good if people can understand from the context that there has to be a full version. You just have to be careful to never mention the full version on Patreon or inside the game you upload there.