I was in booth in the back, watching vids and rubbing my cock through my pants. I noticed the hole in the wall but it never crossed my mind what it w...s for. Some pervs like to watch I guess...Pretty soon two fingers appear and rub the edge of the hole. I quit rubbing my dick for a bit. Then he did it again, tapping his fingers. I was just a k** so I had no idea what to do. Then, all of a sudden the guy's cock pokes through the hole, then pulls it away. Tapping again...I get it now and. The beaker still bubbled, uncleaned, but she was tired after her twenty hour foray into madness. With a sigh, the chemist decided no one would notice if she just stored the rest for the evening as well, so she took the beaker, bottled it up, and placed it in her personal desk in the lab. At the very least, she figured one benefit of squandering her life at this dump of a "school" was that she could be lazy without anyone caring.Finally, she moved to the edge of the room and tossed her dirty lab. Saying yea they ate and left at home Tammy felt bad she wanted to be Kat's to a slut like JJ was true JJ was younger and better looking but she still want it so bad. After about three hours of feeling sorry for herself the doorbell rang it was now 10:45pm. who could that be? Opening the door Kat was there a skirt so small her ass showed and cut so all but her nipples could be seen Tammy was in shock the woman she wanted so bad looked so hot her cunt became swampy quick and mouth watered Kat. I climbed up and slammed my cum lubed as all the way down his cock, making it jiggle on his balls so deep a I ride and grind him,sucking all the others off who fed me."Alright, now one of you put your cock inside too," the one I was riding said. "Oh fuck yes, stick another cock inside me, stretch me out, I'll need it for later," I say to the one with the massive cock.One of them rushed behind me, as I lean down and spread my booty open for him, with the last one's cum leaking out, and a cock.