Jessica is a toon, and nothing about her needs to conform to "real" life. Her body is an impossible hourglass shape, everything jiggles just right, she can pull whatever she likes from between her breasts, and of course, she stretches.

As a toon, what she considers intimate is wildly different from a flesh and blood human. Playing games, telling jokes, making her laugh, those are sexy to her; doing the dirty is no big deal at all.

...Or maybe she's well aware of and proud to be as nasty a girl as she can be. Making porn, prostitution, stripping, whatever gets her off, she'll do it.