The New Mare's Triumphant Debut
I made a promise with Jerry about the race and devoted myself even more fiercely to training. Being served five full meals a day left me overflowing with energy, so even inside the stable I spent every spare moment practicing my form.
The only problem was that between eating well, sleeping deeply, and training hard, my breasts had filled with so much milk that they were swollen tight and heavy, making it awkward to run.
Master, my breasts are making it difficult to run.
Nothing we can do about that. A dairy cow has to keep producing milk.
Haa… please seal them tightly so nothing leaks.
Until I could be taken out and milked, there was nothing to do but endure it.
When practice time arrived, I ran laps pulling a carriage alongside the other mares. I tried my hardest to keep my upper body steady, but my large, bouncing breasts made balancing nearly impossible. I missed the latex suit that used to squeeze them firmly in place.
With no rider to whip me, sexual pleasure surged through me with every stride. I felt like I might climax at any moment, but I couldn’t allow that, so I practiced while desperately holding it back.
Kicking off the ground with high-heeled boots I had grown completely used to, I overtook the carriage of the mare running ahead of me. Just as the trainer had promised, my stats as a mare were overwhelming. I dominated the others without effort.
There were thirty-two mares currently stabled at the Human-Horse Arena, and seven stallions besides—fewer in number, but they used separate stables and competed on their own. I had been surprised to learn stallions existed here at all.
From what the other mares told me, most had become mares after audiences in Eden chose them. One was even the illegitimate daughter of a noble; she laughed and said her father and brothers sponsored her, so she lived quite comfortably for a mare.
The mares came from many different countries and looked nothing alike, yet the shared bond of being fellow mares made us close.
In the end, the top contenders were Terry, the undefeated champion, the favorite Jerry, another favorite named Harry, and me—Eli. My mare name had been shortened from Elisha by dropping the “sha.” The trainer said names were usually given in a “liza” cycle, but Elisha made “Eli” easy and natural.
“Hoo! Hoo!”
The corset cinched my waist so tightly I could only take short, gasping breaths. I drove more power into my legs. The stronger the pleasure grew with each stride and the more my muscles burned, the harder I pulled the carriage.
Neck and neck with the other leaders, we reached the final straight. Reading one another’s movements, biting down hard on our ball gags, we wrung out every last ounce of strength.
Thud thud thud. The rolling thunder of carriages mixed with the violent pounding of my heart as the finish line rushed closer.
Running right beside me were Terry and Jerry. The other two had fallen a little behind. I surged forward, passing the pair who were drenched in sweat, and by the narrowest margin my chest broke the line first. I finished the practice race in first place.
Whew. It was only practice, yet winning sent me flying with joy. I savored the thrill of victory while holding back the climax that hovered at the edge, then gradually slowed down.
“Huk… ugh.”
I stopped the carriage and stood in the posture of submission. Androids immediately came forward and began unhitching me from the carriage. Since the practice race was the final part of training, I followed the android holding my reins toward the washing area.
They rinsed my steaming body with cold water and gave me a thorough, attentive massage. The post-training massage meant to maintain the mares’ condition also served as endurance training to resist climax, so they applied a sensitizing liquid before beginning.
Mares without arms could not pleasure themselves, making this massage time their only outlet. Of course, it was always stopped right before release, so our lust only continued to build.
As the android’s gentle fingers massaged around my pussy, I was grateful that being an angel limited my pleasure. Looking down at my thighs beneath those hands, I saw they had grown visibly harder than before, the muscle fibers sharply defined.
The muscle modification tripled my recovery rate; combined with the nanorobots, it strengthened me at an astonishing pace. After the massage finished on my buttocks, calves, and the rest of my body, I returned to the stable.
I lay down on the soft straw bedding to rest. One by one the other mares who had finished their massages entered the stable. Outside the stable we all wore ball gags, so we could only speak once we were back inside.
Haa~m, guess it’s over.
“Were you sleeping?”
“I dozed off while organizing data. Anyway, can you win tomorrow’s race?”
“I took first in today’s practice race.”
“Well done. As my symbiotic mare, first place is the least you should deliver.”
It seemed Master now accepted my identity as a mare without question.
After I win tomorrow, I’ll look for the right moment to put on the biosuit and escape. We’ve already been in the underground city for over a week—Isabel must know something’s wrong. We need to get back before she does anything else.
Yes, Master.
Winning would grant free time, making an escape attempt far easier. It was a shame to leave the mares I had grown close to, but once we brought Eden down they would all be freed. I decided to think of it that way and feel at ease.
After a deep rest, the next day the stable buzzed with race preparations. Each mare had a trainer and two androids attending her, washing her thoroughly and adorning her for the event.
“You’ve only been trained for seven days, yet you took first in the practice race. That means you have a real shot at winning the real thing. I’ve never seen a mare as outstanding as you.”
“Uung.”
“I thought the tattoo on your lower belly was just a flower design, but it’s actually the crest of House Dracule. If they’re the ones who made you into a mare and are sponsoring you directly, that’s excellent news.”
She fitted a mask decorated with a gorgeous silver mane over my face as she spoke. The mask covered everything except my mouth, plunging my vision into complete darkness.
Next came the leather harness that lifted and supported my breasts to reduce bouncing while emphasizing their shape, followed by a horse-tail attachment fixed beneath the corset. The carriage was linked to the corset, the trainer—who would also serve as my rider—climbed aboard, and preparations were complete.
Obeying the rider’s pull on the reins, I moved to the grand arena’s participant waiting room. Standing in the waiting stance and listening to the surrounding noises, I could tell the other mares had finished preparing and were lining up one by one.
Hoo. Now that the race was truly about to begin, nerves set in. This was my first race as a mare in front of an audience, and the tension was intense.
I swallowed hard while listening to the host’s voice echoing from the arena through the door ahead.
“The new mare making her debut! Please welcome Eli!”
“Ooh!”
“Waa~”
“Behold those powerful thighs and magnificent physique! The new dark horse who claimed first place in the preliminary practice race! We ask for your enthusiastic support and affection!”
The crowd’s cheers focused entirely on me. I straightened my back even more proudly, lifting my legs at precise right angles as I ran forward. The movement of the reins told me we were circling the track to display ourselves to the audience before taking position.
Crack!
“Whoa, whoa. Stop.”
“Uung.”
I halted on command and assumed the posture of submission. The sound of other mares stopping in a neat line beside me followed. Races ran in groups of eight according to practice rankings, so my heat was last. Maintaining the submissive stance throughout the preceding races was essentially a penalty meant to narrow the gap with the lower ranks.
As each race progressed, the audience’s excitement swelled. I had held the submissive posture for nearly an hour; my legs and waist ached, but I gave everything I had to keep it perfect.
After three races, when the top group’s turn finally came, the rider who had been resting in the waiting room approached.
“Time to race. Condition good?”
“Uut.”
“Excellent. Let’s aim for the win and put on a brilliant show.”
Crack!
The rider mounted the carriage, pulled the reins, and struck with the whip. I released the submissive posture and moved to the starting line. Once I stood there waiting, the preparation signal sounded—every other mare had taken her place as well.
Standing straight, heart pounding louder by the second, I waited for the start.
Elisha, I’ll be cheering for you.
Yes, Master.
She must have spoken in advance because once I began running and grew excited, her voice would no longer reach me.
When my heart was thundering, the starting signal rang out and a fierce whip cracked across my buttocks.
Crack!
“Run!”
“Uuuup!”
At the riders’ whips, the mares exploded forward. Following every tug of the reins, I poured all my strength into overtaking the others and seizing the lead. In a carriage race, taking the front early was crucial.
Hoo. My body feels even better today.
The sharp clack of high-heeled hooves overlapped, echoing across the track. When the reins pulled, I leaned into the corner and let the carriage drift just enough to block anyone from passing.
Crack!
“Good! Keep it up!”
Crack!
The course after the corner became a series of sharp left and right bends. I had to adjust direction instantly according to the rider’s commands—a brutally difficult section.
Matching the reins, I leaned my body into each curve while using the carriage to obstruct the path behind me.
Crack!
“Next right! Time it perfectly!”
“Hup!”
Crack!
I wrenched hard to the right the instant the rider yanked the reins and struck my rear. The curve was nearly a U-turn; the carriage’s weight pulled taut by inertia demanded enormous strength to maintain speed.
Enduring the crushing pressure of the carriage against my corset, I drove my legs down powerfully.
Crack!
“Well done! Next is the uphill!”
The uphill slope was where speed dropped the most. It drained strength, but slowing down risked being overtaken, so I could not afford to ease off. Feeling my thighs swell until they felt ready to burst, I kept maximum speed while climbing. The reins tugged slightly left; I adjusted course accordingly.
Crack!
“Good! Blocked the pass! Stay like that!”
“Uuuup!”
Crack!
The reins pulled slightly right again. I corrected direction, continued up the slope, and another whip command came.
“Next downhill! Match the timing!”
Crack!
After a brief flat, I matched the whip’s crack and charged down the slope. This was the fastest section of the race. I had to exceed the carriage’s acceleration, and any misstep with my feet would endanger both me and the rider. I forced my pleasure-drunk mind to stay sharp.
“Huk! Huk!”
“Hang on! Almost there! Next left turn!”
Crack!
Right after the mad downhill dash came an immediate left-hand curve. Many mares lost time here because their legs, exhausted from the slope, momentarily weakened and caused them to swing wide. But I still had strength left!
“Hup!”
Crack!
I hugged the inside as tightly as the reins allowed and controlled the carriage. Ugh—the carriage slid more than expected.
Crack!
“It’s fine! Plenty of room left! Straight course now!”
“Hut!”
Crack!
My thighs felt ready to explode under the constant strain, yet the burning pleasure canceled out the pain. Hoo, hoo. Aah, it feels so good!
Crack!
“Focus! Concentrate on running!”
Crack!
“Uuu!”
The moment my mind began to drift into pleasure, the harsh whip brought me back. My entire body was drenched in sweat; drool poured from around the ball gag. I lifted my weakening legs as high and straight as possible and powered through the straight at my absolute maximum speed.
“Huu, huup!”
“Next! Left turn!”
Crack!
After the straight came a 180-degree left. I hugged the inside again to minimize sliding. I held the turn until the reins commanded otherwise, then straightened and kept running.
“Next, full right circle!”
Crack!
This time a 360-degree right turn. I had to reduce speed as little as possible while preventing the carriage from spinning out. I slowed slightly and took the turn safely, but a whip cracked across my rear.
Crack!
“Increase speed! They’re catching up!”
“Huup!”
I drove power back into my momentarily relaxed legs and pulled with everything I had. The longer I ran, the more my muscle fibers seemed to tear and my strength faded, yet the pleasure chemicals flooding my brain pushed me beyond my limits.
Clack clack clack. The sound of my hooves mixed with those chasing behind as I cleared the right turn, held the lead through the left, and finally reached the last straight.
Crack!
“Give it everything!”
Crack!
“Hut, hut.”
Pain screamed in my legs, but the euphoria flooding my whole body let me ignore it. I kicked the ground with every last ounce of power I possessed. Nothing existed except the reins guiding me left and right and the whip constantly heating my buttocks. I simply ran forward.
Crack! Crack!
I ran in a trance. Each time climax approached, the whip dragged me back down. My legs felt like they would burst, yet drunk on pleasure I wrung out one final surge of strength.
Barely keeping my sanity through the relentless whipping, I ran until the rider’s command finally came.
“Stop!”
Crack!
“Uuuup!”
With legs that threatened to give out, I barely managed to slow down and halt the carriage. Exhaustion crashed over me and my posture nearly collapsed, but I somehow held the submissive stance.
“Unbelievable! A new record on her very first appearance—and the win! Eli has taken first place!”
“Uaaaak! My money!”
“Yes! I knew my eyes were right! It really is a Dracule mare!”
“Waaaa!”
While I panted harshly and braced my trembling legs, the rider spoke.
“Well done! My prediction was spot on! A new record after only seven days of training! You’re the greatest mare in history!”
“Huup… uu.”
I finally calmed enough for my mind to start working again. Ah… I won. Wow! I actually won!
Crack!
“I know you’re happy, but mind your posture. Every eye in the audience is on you right now. You must be careful.”
“Uut.”
The joy of victory, the pleasure substances still flooding my system, and the masochistic thrill of displaying perfect submission before the crowd blended into an electric ecstasy.
Haa… I think I’m going to cum…
Crack!
“We’re returning to the waiting room. Stay focused and pull the carriage properly.”
“Hut.”
Obeying the tug of the reins, I drew the carriage and slowly walked back toward the waiting room.