Videogame girl with realistic ass with realistic physics?

I think you've seen this girl and her ass before:



That's Vanessa Z. Schneider from P.N.03. What you probably notice right away is that she lets her ass hang out for all to see. Other than that, her waist is really thin, as is the rest of her body - except for her ass.

1) First question: does she have a big butt, or is it just looking big on her otherwise slim frame? Some people say it's not realistic to have such proportions, but I have seen real women (yeah yeah, insert joke here) who look just like that. Not all women are perfectly symmetric.

Then I have two videos to show. See, her ass actually jiggles. Quite a bit. And I don't mean the famous wiggle animation. No, her ass jiggles on its own steam like a bowl of jello:



And if that's a little difficult to see, here's a close-up video captured by an emulator (which explains the slower pace):



2) Do you consider that to be "just a little jiggle" or "jello jiggle"? You might think her ass jiggle is the result of a physics engine like so many other games. Wrong. It's actually manually animated, like all her other movements. That means the animator thought that amount of jiggle was just right for that move.

I've shown this to a lot of people. The usual reaction I get is "an ass that small shouldn't jiggle that much". Well, I don't think her ass is that small at all, and it doesn't jiggle THAT much IMO. I mean, women's asses do jiggle pretty much when they move unless they're toned. Vanessa Z. Schneider's ass is not toned IMO, but that doesn't mean it's not realistic.

So what do you think about her ass/body proportions and her ass jiggle? Realistic? Or just exaggerated? I know this is incoherent babbling, but I pray for at least some on-topic replies.

What I think: among all games which have ass jiggle, I think this still is the most realistic of them all.

Not unexpected respone honestly. Would it have been different if I showed manga and anime characters with the same text?