You can see that the girl wants to, but as I understand it - her mother did not often let her go to parties. Slim and pretty, she wants to have sex and get off like a grown-up! And the guy's got a big dick, and he handles it like a man. The little sweetheart's got a hard-on. But she's riding his dick with gusto. I'm telling you, she's got potential. At the end of it, she's getting fucked in the ass! She's just twitching in ecstasy.
A beautiful girl decided to pick up a guy. So she had sex with him, i.e. the driving instructor, right in the car.