Sex Research Centre

I woke to a knock on the door. I was a bit groggy as I looked around the room and began to remember exactly where I was and why I was here. I was in a so-called sex research centre, a study of sexual response to a variety of stimuli. I was about halfway through my three-day commitment and among my encounters so far I'd been sucked off by a machine (with a group of doctors watching), had two women rub me down with oil and then take turns fucking me and I'd even had a lovely looking man impale himself on my cock.

The rules were very simple; I stayed in my minimal hotel-like room and I would receive a phone call telling me that a group of doctors, along with one or more of the `assistants', were on their way to my room for an encounter. There was a rough structure to the session however I could take it anywhere I liked, or I could be submissive and allow the doctors to direct the proceedings. I could not touch the doctors in any way; my sexual partners were to be the hired male and female prostitutes armed with a huge range of sex toys and other sex apparatus.

The aim of this research was apparently to document sexual response through as diverse a range of encounters as possible, and the subject could call a halt at any time if he or she did not feel comfortable with the scenario. Some subjects apparently balked at same-sex encounters or certain toys or anal penetration for example. I had not yet found my limit...

I called out an "ok" and the door opened to reveal two doctors with clipboards and one with a hand help video recorder, along with three athletic-looking young men.

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"Hi Subject 909", one of the two female doctors addressed me, "today we're going to create a gay male group sex situation, are you comfortable with that?"

I nodded my head dumbly. God with these guys? They looked about 22 to 25 and were absolutely hot looking guys without any body hair that I could see under their robes. I was already starting to get hard.

"Right well you know the drill by now, off with you robe, lie back on the bed and await further instruction...unless you would like to suggest alternative proceedings"

She needn't have added that last comment; whatever they wanted to do with these guys was fine by me. I was naked before she finished speaking.

Two of the assistants went to one side of the bed each and started fiddling with some machinery below my eye level. Before I could ascertain what they were doing, a third guy had come to the end of the bed and gently moved my body down so my ass was just on the edge. He leaned his head down towards my cock and placed my legs over his shoulders before drawing my now rock hard penis into his mouth. He instantly swirled his tongue around and around my helmet, caused me to shudder.

Although I'd fantasised about it, I hadn't been with a man before coming to this place but I was learning quickly. Men simply give better head than women I'd discovered, they know how good it feels to have your cock buried in a hot wet mouth with vacuum-like, pulsing suction interspersed with the frantic licking and sucking of my shaft and balls. Late last night, a single female doctor had come in to observe and document two men going down on me at once. Despite the fact that I normally last quite a long time, it took only minutes of this double suck job for my penis to explode, coating both boys' faces with my creamy, white cum.

I lost concentration for a moment as I noticed the other two assistants bringing up a metal frame that with what looked like stirrups with a few more straps. They got me to hop up for a moment as the rigged the apparatus and I began to understand how it worked. It was a harness that suspended me in the air, with my legs spread and feet higher than my head. It was padded and actually rather comfortable as they lowered me into it, the straps supporting me from my lower back, all the way up my torso to my neck. They grabbed my ankles and hooked them into the loops up high. Instantly I had my legs about 3 feet apart so that all six people in the room could clearly see my pink, shaved asshole, parted slightly open. My head was in a whirl; obviously I was going to be fucked by one if not all of these guys and I couldn't wait.

One of the guys came up next to my head and removed his robe. A smoothly shaved 7" cock hung half hard, only inches from my face. My hands were still free and without thinking I grabbed the meat and started licking around the head before sucking it into my mouth. I'd forgotten about the third guy until I felt a slippery finger probing my ass. I moaned and tried to relax it as much as possible. He slipped one finger and almost instantly replaced it with two. He began to fuck me with his fingers, parting them as he did so in order to stretch my hole further.

I released the cock from my mouth to see what the doctors were doing. They were all intently watching my ass being finger fucked with the camera set up on a tripod, aimed directly at my hole with the record light blinking red. Let me point out at this stage that although the room was very comfortable and non-threatening, it was well lit so no aspect of this sexual encountered was hidden from view. I was totally exposed and loving it. I writhed in the warm but dirty feeling this knowledge gave me and tried to will my ass to open further to expose myself as much as possible.

I needn't have bothered as the two fingers were replaced with a well lubricated but nonetheless thick cock. I moaned to indicate I wanted to be penetrated and instantly I felt the pressure of his head at my entrance. I grabbed the cock near my face again and sucked on it for all it was worth, felling like a cheap slut as the other man's helmet popped through my ring.

It was big, and hurt just a little bit, but I was so turned on I blocked out any discomfort and concentrated on the euphoric feeling of being stretched open and filled up. My cock was released from the third guys mouth and I could feel that it was dribbling pre-come, a constant, clear flow that dripped onto my stomach and down my side. I felt a tongue begin to nuzzle my stomach and chest, fingers spreading my own natural lubricant around my body before licking it off. The swollen member in my ass slowly reached full penetration and I felt the warmth of his balls against the top of my ass crack.

He began to slowly fuck me with long strokes and my asshole sucked in and out with his cock, each stoke sliding more and more easily as my I accommodated his girth. I needed to suck cock again and groped around for the nearest penis. Both of the spare assistants recognized what I wanted and they manoeuvred themselves so that I had two cocks within range of my lips. I grabbed both as I began to receive harder and harder strokes, holding on the rigid shafts like support handles and my ass made wet sucking sounds each time the cock was driven in the hilt. I was swinging free in the harness with one the assistants swinging me against the stokes, causing my ass slap harder and harder against my penetrators' thighs. By now I was totally loose and loved the feeling of my hole wide open and my insides prodded and poked by the hard, warm penis inside me.

So horny now, I began to suck one cock and then another, dragging both of the slippery heads over my lips, tasting the mixture of salty man meat. Suddenly the cock was removed from my bottom and I could feel that my hole was hanging wide open. I looked down to see the doctor with the camera zooming in on my ass. One of them went to a trolley that I hadn't noticed earlier and grabbed an impossibly large dildo, one of those ones you laugh at when you see them in scenes on the internet. It was made of blue jelly and was about twelve inches long (not including the handle at the end) and about three in diameter. It didn't exactly look like penis but had a weird bulbous head that blended into patterned ridges down its length.

Two of the assistants readjusted the harness so my feet were even further apart, and the third man took the dildo from the doctor and lined it up with my hole. Even after the fucking I'd just had I could tell this was going to stretch me further. He drove it home and I pushed back down as best I could to let it slide in freely. As soon as it was more than half way he began to fuck me in and out with long stokes. I could feel my face going red and I started to sweat, the feeling was so intense. The other boys began to stoke my body, whispering calming words as I let the monster toy ream my insides. A hand went to my cock and began to pump me while another squeezed and fondled my balls. I allowed myself to be pleasured in this way for a few minutes as the germ of an idea slowly began to solidify in my dirty mind.

I called out "ok, stop for a minute, I want to do something" and the dildo was smoothly drawn out and the grip released from my cock. I was helped out of the harness and I indicated that one of the guys lie on his back on the bed with his legs together. I sat astride him and directly his half hard cock to my hole. It slid in easily and I could feel it quickly harden as I pumped up and down. I wriggled my ass around and side to side, feeling the broad head rub against what felt like my kidneys. I then leaned forward and gave my lover a little kiss, at the same time pulling my hole further open with one hand. After the huge toy it stretched apart easily and everyone in the room suddenly realized I wanted a second cock in my ass. The original fucker quickly got behind me on the bed and placed his cock at the half-entrance.

I heard some murmurings and felt the cool shock of slippery lubricant being dribbled down my crack. The second member slid against its mate and buckled at my pink hole. I pushed against him and it slowly entered my ass. Finally I could feel that this was about my limit. Phew, I thought I would rupture before I found a big enough tool. The two guys inside me had obviously fucked together before and I could feel them rubbing their cocks against each other inside me as they moaned. They quickly established a rhythm; one slid in as the other slid out and I got a tingling burst of pleasure at the half way point of each stoke when I was at the most stretched point.

I knew these guys were enjoying this and I could feel their cocks twitching as they fucked me, not too far from coming now. I began to slam my ass back against their attack and they combined their motion into a single double-cock fucking my hole. My own cock was rubbing against the bottom guys' stomach and his smooth, hair free pelvis was slippery with my pre-come along with the oil and lubricant that was being splashed and spread around.

I began to see stars and dimly felt one penis inside me erupt just as my own orgasm hit and I pumped spurt upon spurt of semen into the gap between two hard, flat stomachs. I slumped down, unable to move and the second cock slowly came to a halt before the warm explosion inside my colon told me this session was close to over. I heard sucking sounds and turned my head to see the third guy pull his cock from another assistants mouth before splashing his load across my back.

The first then the second cock fell from my ass as I was dismounted and I felt a trickle of cum run out of my hole and down my scrotum. I was almost delirious with pleasure; covered in and filled with the come of three hot guys, with my own cock still throbbing with the joy of my ejaculation.

"We'll leave you to clean yourself up nine-oh-nine, remember to simply pick up the telephone when you're ready and we'll have someone come to make your room for you. We'll try and think of something special for the next encounter but this session will be hard to top I imagine, make sure you get some rest until then. Good night"

I couldn't wait until next time...

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