Can anyone think of any other games with cuckqueanish tones or moments to them? Preferably things that qualify as real games to some degree, not visual novels.
The only other that comes to mind right now is Overlord 2. Overall, it's not as good as the first game, but it did improve in one area - the absence of the evil overlord's weird attachment to monogamy.
In the first game, you get a mistress partway through, then later have the option of either keeping your dull and sorta bossy but ultimately loyal mistress for her sluttier and hotter but bitchy and devious sister.
Why you can't just take both is beyond my understanding. Seems like a proper evil magical tyrant would decide that he's going to have them both. If one of them doesn't like it, then he may show his divine mercy as the new god-king, and point them to the door, rather than having her burned alive for disloyalty. I'm sure there's plenty of positions as bar wenches and whores out there if 'mistress to the man who rules the lands with a mailed fist' is not good enough.
The second game does correct this, however. Over the course of the game you get three mistresses which do not replace each other. You do choose a 'First Mistress', essentially deciding who is queen bitch of the tower. I think you could change which is first mistress, as well.
(Hard to find any R34 for this one on account of apparently there's some Japanese thing called 'Overlord' as well, which fills up most searches).