This does sound like an oversight though. I will try this myself later.
This on the other hand sounds normal. Isha's corruption does drop over time, but I didn't pay attention to the radical drops and I didn't reach 100.
Evangelion-01 did I think.
What?
The knight Aidalin and the carpenters, Rick and Roderick, sure.
But let's think about the others.
Dave tried to rape Frisha. I think not even some of the NTR players had the balls to bring Liandra to the mansion.
Giron treats his own daughter like trash and his wife is not very fond of him, not without reason apparently.
Thomas makes Kate dress like a whore for his own amusement, treats her like trash, and was blackmailing her to get into her pants. He also pulled the same shit with Ophilia turning the geek girl into a pink stripper, but fortunately, the developer downplayed his interactions with her in the second part of this update, even putting that he didn't try any blackmail this time. I still think is the worst update evar though.
Dasan? Killed his own father because he is a coward, and was willing to send women to be violated by the orcs. Not to mention his rape threats towards Tia and Lyvia.
You don't know what Lucius and Grant would do with Penny and Frisha if you didn't pay their debts, but you can guess what, but sure, we can give them a pass.
But the others above? Yeah, not really.