The Clinical Group Sex Trial

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The ad read: “Volunteers needed for Clinical Trial for the Purpose of Enhancing Male and Female Libidos.” Intrigued, I showed up the next day at the Clinic where I was met by Dr. Brandi. I was pleasantly surprised by how attractive she was in her short skirt and a top that exposed a significant portion of her ample cleavage. She explained that I, and other male and female volunteers, would be provided with a number of different drugs that would have varying effects on our libidos and, in all likelihood, on our genitals.

In addition, Dr. Brandi was required to take base-line measurements of our libidos and genitals prior to the administration of any drugs. After I signed the consent form, Dr. Brandi asked me questions about my sexual drive and masturbation habits. She concluded that all was well within normal range, however, the purpose of the trial was to determine whether my sex drive could be further enhanced through experimental drugs.

Next, Dr. Brandi instructed me to remove my clothes so she should begin her examination. At this point I became aroused and my cock fully erect. I was embarrassed, but was surprised when Dr. Brandi assured me that she needed to examine my erect penis at some point during the examination and, of course, now would be a perfect time.

Dr. Brandi removed a rolled tape measurer from her pocket and began to exam my cock. She murmured to herself, “7 inches.”

Then she measured my cock’s girth, “5 1/4 inches,” she declared. Finally, she examined the head of my cock and commented assured in her soft voice that “it had a very nice and healthy acorn shape.”

“Above average penis,” she declared. I was pleased. Next Dr. Brandi grabbed my balls and measured them as well. “Above average,” she pronounced.

Dr. Brandi then tested my reaction to various visual stimulation. At this point she brought in two of her assistants, Chloe and Ava. Both were dressed in very revealing outfits. I was still naked and sporting a healthy erection.

“During the next part of the examination, Chloe and Ava will perform certain acts and I will record your reactions,” explained Dr. Brandi. Chloe and Ava began to undress. Chloe’s tits were larger than Ava’s and she also had a nice round ass. Ava had a more athletic build and a firm, but medium sized-ass.

“Ok ladies, bend over,” ordered Dr. Brandi. At this point Chloe and Ava bent over and exposed their asses within 2 feet of my face. Dr. Brandi recorded my reaction and took notes.

My cock was still rock hard. Next, Chloe and Ava spread their asses exposing their tight assholes. My eyes widened and my cock twitched. Dr. Brandi recorded my reaction.

Finally, Dr. Brandi told me that she needed to observe me orgasming as she needed a another baseline. She instructed Chloe and Ava to start licking each other’s pussies. My balls grew tighter at the sight of these two hot women going down on each other.

“Are you about to cum?,” Dr. Brandi asked.

“Maybe,” I replied.

“Ok then, I’ll have Chloe and Ava move things along,” Dr. Brandi suggested.

Taking their cue from Dr. Brandi, Chloe and Ava stopped eating each other out and proceeded to take turns sucking my cock and playing with my balls. Chloe and Ava were equally skilled and could sense I was going to cum at any moment. Dr. Brandi smiled as she saw I was about to explode.

“Please, continue” Dr. Escort bayan Brandi instructed Ava and Chloe.

Then, in an instant, I felt the cum rise from my balls though the shaft of cock and onto Ava and Chloe’s waiting faces. Little did I know that Dr. Brandi was recording my reaction and the amount of cum I produced.

“Normal,” she blurted.

Ava and Chloe smiled as my cum dripped from their faces.

I cleaned up and got dressed.

At the end of the initial evaluation, Dr. Brandi instructed me to come back in a week as the clinical trial will take place with the other participants together in one observation room.

The following week I arrived at the clinic office a few minutes late and was greeted by Dr. Brandi.

“Please follow me,” she said, as she led me down the hall to a room much larger than the examination room I was in last week.

As I entered the room, to my surprise, there were already 19 men and 20 women mingling in various corners.

“These,” Dr. Brandi explained, “are the other clinical trial participants.”

I surveyed the room and noticed that everyone was in great shape, and the women were particularly attractive. The women all had firm breast and tight asses of varying sizes. I thought to myself that it made sense to have quality candidates for a clinical trial. Interestingly, I noticed that room contained a number of mattresses pushed together in the center of the room.

After 5 minutes, Ava and Chloe also entered the room carrying a tray with what appeared to be different colored pills. Dr. Brandi made a brief welcoming speech and thanked everyone for their participation. She then politely instructed everyone to strip naked and to form a line before Ava and Chloe.

Dr. Brandi told the women in the room to form a line in front of Chloe and the men were were instructed to form a line before Ava. Chloe proceeded to give each woman a red pill and Ava gave the men a blue pill. A guy standing behind me joked that it was Viagra. After the pills were distributed, Ava and Chloe gave everyone a bottle of water.

“Ladies and gentleman, you each have pills to test phase 1 of our clinical trial,” Dr. Brandi announced.

“Please proceed to swallow your pills so that I can observe your reactions. If all goes as planned, your libidos will be enhanced and you may experience additional positive physical “enhancements,”” she explained.

Everyone followed Dr. Brandi’s instructions and swallowed their respective pills.

Within five minutes of taking my blue pill, I noticed I was sporting a huge 10 inch erection. Looking down, my cock was fully engorged and the tip of my cock quite bulbous. I also noticed that the other 19 guys also had rock hard cocks as big as mine.

“Excellent,” Dr. Brandi murmured.

The blue pill was designed to add 3 inches to ever man’s penis. The female participants looked on in amazement. They were not used to seeing a room full of large cocks at once.

Suddenly, all the male participants started squirming, and we began to masturbate.

“Another breakthrough,” Dr. Brandi whispered to Ava, it appears the men’s libidos are going into overdrive.”

While the men were jerking off, the women also started showing a reaction to the red pills they had taken. Incredibly, each women’s pussy became sopping wet and their clits engorged. Bayan escort

Just like the men, the women started masturbating and were rubbing their clits.

“Wonderful,” Dr. Brandi pronounced, “enjoy yourselves everyone.”

“In a minute I will distribute green pills to the men and yellow pills to the women,” Dr. Brandi affirmed.

It took a few minutes, but Dr. Brandi was able to distribute the pills to all clinical trial participants.

“Please take the pill I just gave you as we begin phase 2 of the trial,” Dr. Brandi ordered.

I barely was able to take my hands off my cock, but was successful in taking the green pill. I didn’t notice, but apparently the other participants were able to refrain from masturbating just long enough to swallow their pills.

Within three minutes, all the men in the room were overcome with the intense desire to fuck. We all lost our desire to masturbate and were looking to fuck any of the women within reach.

A minute later, the women’s yellow pills started to take effect. Apparently, the women were not only becoming incredibly horny, but also losing any of their sexual inhibitions.

“Perfect,” Dr. Brandi relayed to Ava and Chloe, “let’s see what happens next.”

I think to the surprise of Dr. Brandi, all the women expressed a desire for anal sex. Indeed, all twenty women lined up side-by-side, bent over and demanded that every guy in the room take turns violating their respective assholes.

Almost as if in a sexual trance, all twenty of guys lined up behind each women’s waiting asses.

One female participant, excitedly shouted to the other women, “spread your asscheeks ladies.”

Incredibly, all 20 women simultaneously exposed their puckered assholes. Apparently, this had the effect of triggering an instant reaction by the all the men, including me. Rather than wanting to fuck each women’s asshole, the sight of 20 buttholes lined up in a row brought us all to our knees, We proceeded to extend our tongues towards each’s woman’s asshole.

It was an involuntary reaction. Then we all started licking. The men simply couldn’t fight it. On the contrary, we delighted in licking the buttholes of the women in front of us.

The women loved this too. They were expecting hard cocks plunging into their rectums, instead they were enjoying the soft caresses of our tongues. Each guy licked the asshole of the women in front of them for 1 minute then moved down the line to lick the next woman’s asshole. This procession lasted 20 minutes and, by the time I reached last woman’s pucker, my tongue was exhausted.

The women, who clearly enjoyed the anal rimming, grew hornier than ever. Dr. Brandi announced we all had to take one final orange pill to complete the clinical trail.

Chloe and Ava distributed the pills and we swallowed them effortlessly. Two minutes later, the effect of the orange pill became obvious. All the men’s erections grew another two inches.

“Gentleman,” Dr. Brandi announced, “the orange pill was designed to give you all 12 inch erections no matter what your “normal” baseline erection might have been.”

In addition, “each penis will now have a 6 3/4″ girth,” Dr. Brandi proudly announced.

Sure enough, when I looked down at my cock, I noticed it was huge and pointing at a impressive 25 degree angle. Glancing around the Escort room I noticed that every other guy’s cock was also of equal dimension.

“Ladies, your pussies are now sufficiently lubricated to fit these men’s monster erections with ease,” Dr. Brandi stated.

“In addition, the orange pill have made your assholes expandable to service their cocks,” she added.

Now I understood why the green pill caused us to rim the ladies’ assholes. Pre-lubrication before the main event.

“You may begin phase 3,” Dr. Brandi announced.

With those words spoken, all 40 clinical participants went to town and headed to the mattresses laid out in the middle of the room. Several women begged me to fuck them in their pussies, while others asked to be butt fucked, or lick my balls. I obliged as many women as I could, alternating between vaginal, anal and oral sex. Sometimes I took turns fucking one women in the ass and then her pussy. My foot long cock sank balls-deep into multiple assholes and pussies.

To my right, eight guys were double-teaming four women, while to my left, nine women were enthusiastically riding 12 inch cocks. Over the next 45 minutes, there was a sea of fucking, sucking, fingering, and rimming. No ass, pussy, cock, or mouth was left unoccupied.

At one point the men thought it would be fun to fuck all 20 women in the ass at the same time. The women obliged, lined up in a row, bent over, and spread their butt cheeks. All 20 of us then slid our cocks balls-deep into their well-worn assholes. We timed our thrusting in perfect synchrony as each women’s asshole expanded and contracted in rhythmic fashion.

Dr. Brandi was right. The women had no trouble accepting our foot-long members. In fact, each women’s asshole had an airtight grip on each guy’s cock.

After some serious asshole stretching, the women begged us to lick their pussies. We certainly wanted to return the favor and arranged for each women to lay in a circle with their legs spread wide and their pussies exposed.

We proceed to lick their excited clits and pussy lips and as they moaned with pleasure.

“Finally,” Dr. Brandi announced, “I have one last surprise.”

“I have an “unofficial” pill I would like you to take that we increase the intensity of any orgasm by a factor of 100,” Dr. Brandi announced.

“Wow,” I thought to myself, “I hope I can handle it.”

I also realized that despite a marathon sex session – no one came!

“Must be a side effect of the pills,” I pondered.

All 40 participants took the pill from Dr. Brandi and swallowed it with anticipation.

“Back to copulating,” Dr. Brandi said clinically.

Sure enough, after another 30 minute round of pussy pounding, mixed in with some rimming and cock sucking, all 40 participants felt an incredible sensation rising within them.

As the men were fucking the women’s pussies, we all experienced a huge load of cum rising from our ball sacs. At the same time, the women’s pussies grew taught and squeezed tighter on our engorged cocks.

“I’m cumming,” the women shouted in unison.

The women squealed with pleasure and shook with pleasure.

As for me and the other guys, we couldn’t hold back. We all made unintelligible animalistic sounds and simultaneously shot thick loads of cum into the pussies that seized control our cocks. My mind went numb with pleasure. It was the greatest orgasm of my life far.

Afterwards, Dr. Brandi thanked everyone for their participation and was hopeful that the clinical trial was a success.

“If this wasn’t a success, I’m not sure what is,” I said to myself.

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