Now that, Sirius noticed. He looked up, noticing a streak moving toward the bathroom. Squinting as he thought, he tried to figure out what had just happened. The shriek definitely sounded girlish, but that didn't mean it wasn't Moony. He thought he saw long hair, though, so maybe Steve?
After a moment of hesitation, he waved at Stephy-Susie-Sammi to stop and pulled his ear away from Mitzi-Mindy-Mary. "Hang on girls, just one minute.." He got up, pouting for a moment as he regretted his decision to stop the sex. Then he walked over to the bathroom door, knocking on it. "Steve?"