Rocco Invades Poland
This video starts with a gathering of 8 young Polish women who are eventually introduced to Rocco's cock, and undressed by him.
They seem a little shocked, so maybe casting agency didn't fully explain the setting. Another young woman who appears in the subsequent scene also wasn't sure what she was sent to, because she thought it might be fashion modelling!
So, in that sense anything they do is unexpected.
By the way, 6 of the 8 initial women ended up having sex in this or a subsequent Rocco video. Another 3 in further scenes also had sex. That's 8 out of 11. And all but one of them had never done porn before.