I used my roommate for the experiments

Story by Cirrius on SoFurry

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Untitled

Species: Canine and undetermined (go ahead and imagine it's you if you'd like, that was intended)

I used my roommate for the experiments. He followed me over from our dorm room at the university once I purchased my own house on the outer skirts of town. It was a modest dwelling, but I needed the location. He had no family that I knew of, had no close friends that would inquire about him, and was completely straight (almost homophobic). So he was the perfect candidate for my experiments with sexual pleasure.

The first part was easy, after we had lived together for some time, I slipped him some Rohypnol and got him secured in the back bedroom, which I had converted into an appropriate holding area. A standard ball-gag was sufficient to stifle any cries or pleas, although I knew there was no way anyone would be able to hear him, since the nearest road was about a mile away.

I began by stripping his clothing and denying him release for four weeks, although I stimulated him throughout that time with various methods, including light oral and anal play. At first he was hesitant to respond, due to the stress of capture and his firm heterosexuality. After the second week however, the stimuli and pent up tension seemed to take it's toll, and he began responding somewhat quicker (although it was still plain that the pleasure was forced, and came from the physical actions). That's when I moved on to the drug therapy. My unique combination was made to heighten the sexual desire and the received pleasure from sex to the highest physical tolerances without doping the subject on "happy chems" like serotonin and the like. This drug effected ONLY sexual emotions, and the areas of the brain that created feelings of sexual lust, and the pleasure received from sexual interaction (in this case specifically the anal tract).

For the first week of administering the drug, he was given no stimulation. It was clear almost from the first day that it was having an effect. He would be at least partially erect at all times, and upon my entrance would come to full erection as if expecting stimulation, and would seem frustrated when I would leave without providing any.

Throughout this process, he was left fully conscious and via an array of simple to perform tests (which took into account his extreme stress and an unwillingness to cooperate) remained at the same relative level of competence and intelligence. That's when I began fucking him.

Immediately I noticed the almost overwhelming reaction the subject showed when I first violated his anus. I knew that intellectually and instinctually he was still straight, and must have been repulsed and horrified by what was happening, but the altered state of his brain chemistry made his body react far differently than it would without the drug. I had also taken care to leave all prior stimulation of his anal tract light. I wanted the first penetration to be "virginal".

Due to the long period of enforced abstinence while subjected to the drug, I anticipated the conflicted, yet almost desperately eager reaction when I began thrusting. From the initial penetration to the tie, to the point where I withdrew, he bucked and moaned (despite the gag) as vigorously as any whore in the strongest heat I had ever seen or heard of. Even after I had shot my full load inside him and was in the afterglow of the tie, he ground and whimpered against my cock, trying to receive more pleasure, and when I withdrew and stepped away, his whines were loud and sincere enough to assure me that my departure, and the lack of sexual contact, was agony for him. This has remained true, and in fact, has intensified as his ordeal has prolonged.

Over the next several months, I fucked him several times a day. Sometimes myself, sometimes using the ever growing collection of exotic dildoes I have since begun accumulating. These range from standard "butt-plugs" to full-sized silicone dildos casted from live stallions. All but the horsecocks can be strapped into his rectum for long periods, or in-between sessions. The knotted canine dildos are best for this purpose, and the most appropriate seeing as I want him to stay accustomed to canine cock in his ass.

While not initially a part of the experiment, I have taken to neglecting his own penis and knot almost wholly. Initially it was simply an oversight, since once I began fucking him it wasn't something I felt obligated to do, and now it has become of interest to me as to how he can achieve orgasm through anal sex alone, without any direct stimulation on his loins, as well as the condition of his penis and testicles under the continuous arousal, and subsequent neglect. While I have no measurements from before I began the experiment, I am fairly sure his cock has reduced in size (or simply doesn't inflate as large as normal), and his knot rarely swells at all, even when he ejaculates. For future tests, I might sample his ejaculate for any changes in consistency, sperm count and volume, although I realize it is fairly late in the game to be starting those now with him. As an addendum to this, he loves cum in all forms, whether his own, or others, and I have made it a primary ingredient in his diet (which is mostly liquid anyway), although I have to go through outside sources to secure larger amounts.

>written in the margin near this paragraph< Check price of horse semen again. Tony might give another bulk discount.

It became apparent very early on that his intellectual and cognitive capabilities began decreasing almost immediately from the time I first began pumping his ass, and he is now reduced to a puppy-like state. My theory for this is that the levels of sexual pleasure maintained through my enhanced stimulation is so extreme, that it's overwhelming his higher-brain functions in the same way sunlight washes out the stars. I have also charted how his reactions seem to grow more and more intense, even after it became clear he was already wholly subservient to the pleasure. So as his higher brain is numbed down and perhaps even atrophied, those areas are being co-oped by the areas my drug is affecting; which means that the physical makeup of his mind is being altered by the conditions I've set up. I have literally fucked his brains out.

This has been confirmed by the intelligence tests I have taken, which included writing, responding to direction, and problem solving (in the form of working out how to operate his food pump using only his tongue, or toes, or so forth). The last attempt he made at writing, was a barely legible scrawl that I believe spelled out "cock in me", which I took as a plea for me to fuck him again (I had already done so three times prior to this that day). In all other attempts, he either drops the pen in a disinterested fashion, or attempts to pleasure himself with it.

He no longer needs the restraints, and I can keep him on nothing more than a simple dog leash for short periods. The cuffs and straps are nevertheless still important, since he can't be trusted to remain free unsupervised. Not for fear that he would try to escape (I don't believe he is even aware of the outside world anymore, or cognizant of his former life. His only preoccupation is receiving sexual pleasure, which he sees me as his sole source for), but to keep him from injuring himself in his constant state of extreme arousal.

The gag too has become unnecessary. He has remained extremely vocal, but nearly all of his vocalizations are grunts and whimpers which, as I said, I am partial to hearing when I pound him, but is nonetheless distracting at most other times. For the times I am not at home, or when I feel a gag of some kind would still be efficacious, I've begun using cock-shaped dildos rather then the original ball-gag. This seems to help somewhat with the overall experiment, since he receives some amount of sexual pleasure from "sucking" on the fake cocks. His gag reflex also seems to be diminishing, although this may be simply his throat becoming accustomed to being filled with cock.

I'm not sure if he will one day lose full grasp of language, but since removing his gag, his only coherent words are: "Fuck me", "my ass", and "cock", often slurred together amidst whimpers and moans.

As it stands now, I couldn't be happier with how the experiment has progressed, and while I will admit that his increasing need for "maintenance" has been counterproductive to my note taking, my results with my former roommate have been both enlightening and inspiring.