Karyn gasped at what she had just seen, but didn't have much time to process it. Jon and Sarah both let out a girlish shriek, as Biff tried his best to stuff his spent member back into his shorts.
God, what a freak, Jon thought. Wait, she's not a freak, she's my friend. Oh god, I hope she can help me. But she has got to do something about that outfit. Wait... where'd that come from?
"What the fuck are you doing?" They both yelled as they climbed together out of Biff's car. Karyn was amazed at the precision of their movements. They were in perfect sync, but both of them moved as if they were the only true Sarah. It was truly mind boggling.
Karyn looked at Jon, "You've got to snap out of it, Jon. This is getting really creepy." Both of them looked at her with disgust, their arms still dripping with hot, sticky semen. The held their arms out, trying not to mess up their perfectly matching outfits, identically manicured hands hanging limply at the wrists.
"Yeah, it is creepy," They said together. Karyn was taken aback at how their tones of voice matched perfectly, just in different octaves. "Creepy that someone would follow us out here just to watch people having sex!" By this time, Biff had his pants on and was out of the car. He just stared daggers at Karyn.
"Want me to take care of her, Babe?" he said as he cracked his knuckles.
"No, I think you've done enough, sweetie," Jon and Sarah said, flicking a gob of spunk from their manicured fingers.
"Don't you see what's going on here, Sarah?" Karyn said. "Don't you see anything weird?"
"Oh, I see something weird all right. I see a dyke who won't stop stalking me." Jon and Sarah both retrieved a towel from the car as they spoke, and used it to clean themselves up. They each tucked their blouse back into their skirt and adjusted their bra, then turned their boyfriend.
"Take me home, Biff." Sarah and Jon climbed back into the car. Even with Sarah perched on Jon's lap, they both managed to cross their legs without getting them tangled. Before they closed the door, they turned back to Karyn.
"If I catch you following me again, I'm calling the fucking cops. You may have hair and tits like mine, but at least I know how to show 'em off." Sarah shook her head, flipping her slightly tousled hair behind her shoulder, a move which Jon mimicked with substantially less effect. They shut the door and Biff sped off from lookout point.
Karyn was on the verge of tears. Was her friend gone forever? Did she now have two arch nemeses? She almost broke down at the thought of having to face that every day at school, with nobody else seemingly the wiser.
Then she remembered. Of course, how stupid could she have been? She still had the stone. That could fix everything. But it did get them into this mess. And what had Jon's mom said about "They'll be here tomorrow"? Maybe she should wait and see what happened then. Of course, she could always try going after them again, consequences be damned. Karyn pondered what her next move should be, fighting back tears as she trudged to her car.