Kalyn's Story - The Beginning.

Story by WaterSinger on SoFurry

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#1 of Kalyn's Story


This contains semi-consensual sex between a transforming human girl, and a dog. These are under rather...unusual conditions which will be revealed further at the end of the second chapter. The usual rules apply; no reading if you are under age etc.


I hated it when they told me to do this. They did this every other day to me, the days in between spent with them charting each change in my body. I waited nervously, shivering a little in the cold air, before I began thinking back to when these changes first started to take hold, before I was here and had to do things like this.

'When my favourite pair of sandals no longer fit me, I wasn't too worried - I thought it was a growth spurt, even though I'd only had my twentieth birthday party a few weeks ago. I was in a rush, so all I did was change into a different outfit quickly and put on a pair of sneakers. When I returned home that night, I was too upset to even think about finding out what was wrong. I stripped, staring at myself in the floor-length mirror and tilting my head.

I wasn't very tall, 5'3 in my socks but not quite as skinny as I would have liked. Friends and boyfriends called me curvy; some people would have called me fat. I had defined hips, that was for sure and a rather narrow waist - though that made my hips look larger, If you asked me. Brown eyes that contained a sprinkle of gold, skin that was just a little too freckled for my own liking. I had laughter lines; I wasn't someone who didn't know how to have a good time after all.

I stroked my hands over the slight swell of my stomach, reminding myself again that I needed to start that diet and do more sit-ups. My hands moved up, and I watched in the mirror as I finally cupped my breasts. They were slightly too big for my tastes, a rather large 40D which made buying tops a little awkward. I blushed, even though it was only me looking at my body, before dropping my eyes to the ground and turning around, picking up my brush to pull through my hair. Naturally brown, I dyed it black and wore it long; though for the failed date of tonight I'd had it curled, had it so that my hair hung a little lower than my shoulder-blades.

There was nothing wrong with me, not that I could see. I frowned, before sighing and stretching upwards, watching the muscles in my body stretch under the skin. "Maybe I do need to head off to the gym..." I was talking to myself, before I tiptoed up and cocked my head to the other side. My foot looked...rounder at the toes, the heel appearing slightly higher than it had, but I shook my head. I was tired; I needed sleep - and a good cry.'

I had to stop reminiscing here; the lab had sent someone in with a pair of shackles which made a blush run along my cheeks and down to my chest. Wasn't it bad enough that they had me naked all the time? Now they had to chain me up for this next set of what they called 'tests'. He motioned at me like I was an animal, telling me without words to bend over the hobby horse on my stomach. When I did what he said, he fastened the shackles around one of the legs, and then snapped them shut around my wrists, holding me in place.

A shiver ran along my spine and made the lab technician glare at me. As he walked behind me, he gave a sharp slap to my ass cheek. The pain rumbled through my body, and reached parts of me that had no right tingling the way they did. I blushed again, pressing my cheek to the wooden apparatus below me as I uttered an inaudible whine. The slight pleasure quickened my breathing, made me wriggle a little to get comfy. I only opened my eyes when I heard the familiar voice of my 'doctor' calling my name.

"Kalyn, it's good to see you. Now for this test, I need you to lie still, and try not to jump about or scream too much." I hated his voice, the snobby voice that reminded my old life, before I ended up here. "I promise you that this will be the only time you will be observed with someone in the room while you are undergoing testing." He carried on, now rattling off my vital statistics to the medical students behind the window, which I would have seen if I didn't have my face to the blank wall, only intersected by the door. I hated the thought of their greedy eyes on me, though I knew when they would flinch away from me. "As you can see, the subject has developed the legs of a canine. Her feet have changed, have shaped into paws. Her nails have hardened, and gotten longer, becoming claws. With every successful test, her legs have changed a little more, and she is now growing a dense, grey coat up and over her legs."

I flinched at his words, goose bumps running along my spine - but eerily the feeling of being watched didn't serve to diminish the want I had growing. It seemed the more of these 'tests' I underwent, the more I enjoyed them. When the door finally opened, I couldn't help but peek around it, wondering what I would be confronted with this time. A handler walked out first, and I tried to pull at the shackles. When she pulled the leash, the canine it was attached to made me blink my eyes and then shiver slowly. I'd never ever seen a dog look so wolf-like but so tall, and whether it was whatever was changing me or not...but I could feel myself slowly getting wetter as he got closer to me.

The handler stopped the dog (though he had to have had wolf inside him) and waited, though the dog started pulling towards me - but I guess I was in a tantalizing position for him. My legs spread and feet just able to touch on the ground, body secured in front of me, leaving me unable to move. I only started listening when my doctor gave a rundown of what would be happening. "This dog is called Byron. He is a Saarloos Wolfhound crossed with a wolf. He has been trained for these sorts of tests, as you can see - and he knows his job well." The assorted students tittered, a few crude comments littering the air.

"Now for this test, Byron will be released, and given the order to just lick. We are testing to see how long the subject will take before she is begging us to let him take her properly, to have him able to bring her to the point of release. We have found that the longer it takes to get her to that state, the more changes will spill over into her body." I could have sobbed at his words; I knew that he was planning a long session. I could have sworn that he was sick enough to get off watching me beg to be bred like the animal I was becoming.

I didn't know the signal that the handler was given, but the sound of the leash unsnapping seemed to echo in the room - though it may have just been my mind. A soft sound, again indistinguishable to me with the agonising waiting - before I felt the brush of fur against my leg, against my thigh before that slightly painful sensation of my sex being spread open by a large, blunt tongue. I moaned loudly, knowing my body so I didn't even try to fight it. The dog seemed interested in me, causing my toes to curl as I was pressed against the wood. I felt his tongue as it returned to split my body open again and again, the soft wedge of flexible muscle causing my body to heat up. I tried again and again to urge my hips away from wood and into the tongue, soft moans sliding from my mouth at a greater volume - though I screamed when the dog slipped his tongue inside me. I swear to this day, that dog had been bred to have the biggest, hottest tongue ever.

I could feel my body tensing slightly, relaxing only to tense up as my back arches the barest amount it was able to, considering I was already on my toe-paws. I was huffing and panting, my eyes closing as I rolled my hips outwards into the dogs tongue. He must have been skilled to make me scream how he did when pleasure rippled through my body and I felt myself climax. It couldn't have happened at a worse time, the dog pressing his head in against me so eagerly that I felt his nose against my butt. Even worse than that was the noises he made, the slurping as he dipped his tongue deep inside my body to reach every droplet of nectar he could drag from my heated, writhing body.

My doctor was so damned cruel. Despite the fact I had clearly climaxed in front of their eyes, he didn't get the dog called off, he allowed him to continue plunging that doggy tongue deep inside me, causing me to moan and scream as pleasure began to build within me once again. My back arched again, and I started uttering soft pleas, tears falling from my eyes before he moved away - reluctantly, if the sound of nails scraping the ground was anything to go by. I didn't hear any other sound, all I knew of was fur resting over my trembling, sweat-soaked body as furred hips fixed over my own, and started to thrust.

I shuddered a second, feeling the slimy tip of the dog slide against my thighs again and again. I was getting impatient myself, before I suddenly felt the bone of the dog hit against my sex. I was able to feel him slowly spread my lips open and then slide inside me causing me to moan again. He seemed to go slowly, as though to tease pleasure from my body - but I soon felt him hilt himself within me and swell. As he got larger, his hips started thumping against my own harder. I was soon moaning as his hips punished my own with rough thrusts. He sped up, causing me to scream out in fresh pleasure. I panted and moaned, tugging at the shackles desperately - though I paused in the middle of almost climaxing - I'd forgotten about the damned knot!

I could feel that bulb of flesh swelling, being tugged in and out of my body as it caused me to moan and scream louder. The pain caused by having him tugged from my body by his thrusting body had me climaxing again as it stroked against that spot, my eyes rolling back in my head as pleasure ran through my veins like a wild-fire. I could feel the dog stilling on me as his knot locked him to me, only able to give the occasional thrust of his hips before he went dead still. I knew what was coming next. I felt the sudden steaming hot gush of his cum, filling my body up as my own fluids dripped lightly over the bench. He laid his head on my shoulder, each splash of dog-cum accompanied by a rough bump of his hips against my own, with dog drool dripping down my shoulder. We would be locked like this for a while - and I wasn't going to complain! I actually liked this part of the tests - I could ignore the doctor and just relax in the post-climax haze I had going on.

"As you can see, our subject is now expressing post-climatic relaxation. She may not realize it, but Byron isn't to be the only one her tests are done with today. We have a surprise for her just as soon as Bryon's knot has deflated enough." His words penetrated my foggy mind as soundly as the dog on top of me had penetrated my body, making me gasp. What on earth could be next?