Stepbrother breaks into his stepsister's sex education class and fucks her on camera

So here's a diagram that we created. We call it our vagina logo.

And it lists the six parts of the vaginal area.

So essentially, we have here on the outside is the vulva.

And that's pretty much what we often think of as the sort of mount.

And then inside we have the vaginal limbs, which are called the labia.