obligingly

"Sandra, get him ready for me," Jessica says, as she pulls herself out of her skinny jeans.

"Yes ma'am," the salesclerk nods as she frees your rock-hard rod without taking your trousers off. She then kneels in front of you and slurps your cock into her mouth. The length of your cock is soon filled with smudges of red lipstick as Sandra lips tighten around your cock. She efficiently unbuttons her blouse as she continues to pump your rod. As her blouse falls to the floor, the sight of her milky white orbs encased in a red strapless demi bra almost jolts you into releasing a load inside her mouth. She senses this and increases her pace.

Just then, Jessica moans, "Sandra, I need you to do me as well." You glance and see Jessica on her chair, squeezing her left teat with one hand and inserting two fingers into her pussy with another. Sandra releases your cock as she heeds the demand of her boss, but wiggles her ass, indicating where you should go next. You step out of your trousers and move closer to Sandra's rear as her mouth engages Jessica's clit. You hike up Sandra's mini and see a pair of matching red t-back panties that appear quite damp. You take her panties off and guide your cock into her soaking wet pussy. As you start pounding into her slit, you hear a slight knocking on the door.

"Go and check who that is, Sandra," Jessica says. Sandra withdraws from Jessica's pussy, disengages from your cock, pulls down her mini, and hurriedly puts on her blouse, leaving her red panties on the floor. You guide Jessica to her desk and have her lie on her back. You slowly thrust your dick into her slippery pussy and start pounding into her, as images of her younger self squirting water onto your crotch fills your mind. Slight anger permeates your head causing you to pound harder. "Yeaah.... Yes!" Jessica moans as you feel her warm fluids engulf your rod.

You feel your cum pooling at the base of your cock, in preparation for a final release, which you believe will erase the unpleasant past with Jessica. Without warning, Jessica attempts to move away and shouts, "Why am I letting you fuck me!" Her sudden outburst triggers your release and you shoot a load into her pussy. As you pull away, you feel her contract as another gush of her fluids soaks her desk. You pull out completely as you spurt another load onto her navel, and another load just below her right boob.

You realize that experiment #5 has worn off as you check the time on the wall clock. "So that's about a twenty-minute duration," you take note to yourself.

Jessica supports herself with her left elbow and smiles weakly at you. "I've never cummed this much before, Nick. I don't know why I allowed this to happen... but I guess we're now even."

You nod as you zip your trousers and head for the door. "Thanks," you say.

"Nick, wait!" you hear Jessica say, as you are about to step through the door. You glance at her as she continues, "Don't ever visit me here again! I... I hate you for taking advantage of me."

"I won't! But if you initiate it, I can't refuse," you reply, as you see her throw a paper weight in your direction. The object just bounces harmlessly on the floor as you rush out of her office and into her shop. You see Sandra talking with a female customer as you exit the shop.

"Nick," Sandra calls, as she walks towards you. "I'd really like to get my hands on a bottle of that... that liquid you used on Ms. Jessica," she says softly.

"It's still experimental and I haven't yet developed one that attracts males," you reply.

"Well, then," she says, as she hands you a card with her number. "Call me when you need subjects for your experiment. Don't forget that I do both men and women," she adds with a wink as she heads back into the shop.

You smile as you add her number to your phone. "At last I have a willing human subject!" you exclaim to yourself. You check the time and you realize that your class has already started. You ponder whether you should still attend class or just simply head for the library.