People download it for the porn, and stay for the gameplay.
This. The Porn is ok, but the gameplay is why we stay. I forget what game it plays basically like, but its a SRPG.
Also some of the liberties taken with Japanese Historical figures is hilarious (Date Masamune for example is a Giant Samurai Eyeball with a Fox Lady, Spider Girl, Cyclops, and a Skullgirl as wives, Tokugawa Ieyasu is a giant raccon, etc).
Rance himself is a basically a serial rapist with a heart of gold. Take that as you will.
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Oh SuperNiceDog's doing it again dude.
SuperNiceDog, you ain't no pimp dude