Im Dutzend geiler (1994)
This one is from Im Dutzend geiler. It starts off with a blonde girl showing off her tits in what looks like a locker room, getting ready for action. Then it cuts to two guys hugging, setting up the crew. The girl gets down on her back and hooks up with another woman first, some serious oral happening there. After that, the two guys jump in and surround her on the bed. It turns into a full-on group session with the blonde getting pounded by both of them at once. The lighting is pretty dark and moody, but you can see the action clearly enough. Just raw, dirty sex with a focus on the girl getting used by the group.