[ARCHIVED] Pants on feminine male weird crotch (Patch 1.77)

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Every time (100%)
What is your current game version number? 1.80.69.1030
What expansions, game packs, and stuff packs do you have installed? Cottage Living, Discover University, Seasons, Cats & Dogs, City Living, Get Together. Dream Home Decorator, Parenthood, Strangerville, Vampires, Paranormal, Tiny Living
Steps: How can we find the bug ourselves? All you have to do is get a female-framed Sim to wear some specific pants.
What happens when the bug occurs? Upon getting a female-framed Sim to wear the pants in question, a giant dent is painfully visible from every angle.
What do you expect to see? I expect to see no dent, just a smooth curve.
Have you installed any customization with the game, e.g. Custom Content or Mods? Not now. I've removed them.
Did this issue appear after a specific patch or change you made to your system? No

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This is probably the weirdest thing I've ever had to report as a bug. Let me explain.

It is to be somewhat expected that if a female Sim wears masculine pants, some weird stuff is gonna happen in the crotch area.
But this isn't just with masculine pants. It happens with only certain pairs of pants, which is stupid annoying. It's usually the best ones, too.

From what I can tell, it's an issue with the placement of the pants. High-waist jeans and such don't have this issue, but lower, regular heights do, which makes this 10x more frustrating. But weirdly enough, low-waists don't have this issue either.

This doesn't happen, or happens more minorly, to base game items. However I have also noticed that there is still weird model problems.

I'd love to see a fix for this. Originally I thought it was a CC or mod issue. Alas, it is not. I turned them all off, deleted some mods specifically and no - this is a base game problem.

Shroom