--== Intro ==--
“Finally, a secluded cave. It was a lot more difficult to hide you than I would have liked Twilight.” Starlight said that name beneath clenched teeth as she turned back to the alicorn.
“I didn’t mean to be a bother Master.” The princess stated with a lowered head.
“WELL YOU WHERE, you always are. But now you can make it up to me, for once you can actually help somepony.” The unicorn tapped her hoof.
“Yes, let me help you Master. I want nothing more.” Twilight’s demeanor lit slightly.
“Good. Now let’s go inside so we can have some fun together.” Glimmer stated with a smile as she started for the cave, the alicorn followed her closely. They both trotted for a minute through the dark cave before hitting a dead end.
“Twilight, light up the place.” She commanded, the alicorn’s horn lit and four lights danced in the corners of the room. “Good, now lay face up on the ground.”
“Of course Master.” The slave nodded, falling to the cold ground bellow.
==-- Sex --==
Starlight climbed over the Alicorn, pinning her hooves to the cave floor. Glimmer smiled as she towered above the pony that gave her so much trouble. The unicorn’s horn lit, Twilight’s spiraling eyes separated from her owner and looked down. A large pillar of meat, fully wrapped in the glow of the unicorn’s spell throbbed menacingly.
“M-Master your penis. It’s m-Uh, Ah.” Twilight moaned loudly as the girthy cock pushed through her entrance. “It’s massive.” She finished before starlight dug her rod deeper inside of her. The alicorn let out another moan with each push.
“Mf, you’re so tight.” The entrance hurt her pillar through its sheer tightness but that only made her lust rise. With each thrust into her the harder she became, with only one third of her pillar inside she decided it was taking too long. The unicorn’s magic focused around Twilight.
“Master, I don’t know if I ca- AAH!” Glimmer’s magic shoved the alicorn down on her girth while she pushed forward with all her might. They both screamed a moan as they felt the pillar hit her wall. Starlight stopped for a second to catch her breath, her sweat dropping onto the pony bellow, her pillar throbbing inside of the alicorn.
Twilight’s pussy formed around the intruding cock, reforming with each throb. Finally, the girth began to move again, slowly removing itself before ramming back in, hitting the alicorn’s wall again. Starlight repeated this, removing her pillar slightly before seeing the head then jamming it back in. Each movement made Twilight moan, the pleasure hitting her like a wave. Back and forth, back and forth. Plap, plap, plap, plap. Glimmer’s orbs hitting the princess’s ass with each plunge.
“I’M GOING TO-” Twilight let out a deep, animalistic groan. Her body shook with euphoria, clenching hard around Starlight’s girth.
“I DIDN’T TELL YOU… Ugh, YOU COULD CUM!” The unicorn clenched her teeth and closing an eye in pain. Twilight’s pussy attempted to milk her seed but it wasn’t quite ready for her to give it. Glimmer doubled down, laying on the alicorn, wrapping her hooves around her and pushing through. Despite the overwhelming compact hole the unicorn managed to thrust for a final time fully into the princess. The cock plunging through her final wall and delivering rope after rope of cum inside of her uterus.
Starlight laid limp on the princess, both of them panting from the orgasm. Her cock still throbbing inside of the alicorn.
“Twilight, why are you so tight?” The unicorn asked, finally getting enough strength to prop herself up.
“I’m a lesbian.” She answered plainly.
“Of course you are”
==-- Cowgirl --==
Glimmer’s horn lit around the princess and as Starlight fell to the ground Twilight found herself sitting on the unicorn’s cock, the pillar of meat never parting with her pussy. She let out a quite squeal of satisfaction.
“Slave, you are going to milk me dry.” Glimmer re-casted the spell as she spoke. The alicorn’s spiral eyes sped up for each second she spent on the magic.
“Yes master.” The static mare thrusted her ass down on the pillar. She raised her lower half just as quickly. Twilight’s horn glowed a deep purple before Starlight’s balls started getting caressed. Twilight flapped her wings with each dive.
“F-F-Fuck~” The unicorn cried, her penis getting absolutely devoured. Already she was on the verge of blowing another load into the princess. She held back as much as she could, not wanting to be defeated again so easily but that only served to build up the seed. With yet another plunge, Starlight let out a deep moan, wave after wave of thick seamen released inside of the mare. Twilight’s stomach expanded through the sheer amount of cum but the princess did not stop. Even as the cock throbbed with every rope, the alicorn continued to plunge herself onto the cock repeatedly.
==-- Double The Magic --==
“More.” Twilight spoke through a drooling smile. She casted a spell and a new pillar rose slightly below Starlight’s cock. Glimmer finally caught a breath as the princess stopped for a moment and right as the unicorn was about to change the command Twilight thrusted herself down, the new penis piercing through the alicorn’s ass. Starlight threw her head back in pleasure as she felt both cocks dive into the princess.
Twilight’s body shuddered a massive orgasm, once again her body milked the two pillars for their seed and that they gave. With each forceful shove into the unicorn two ropes flew inside her, filling her belly more. As she orgasmed she casted a new spell and Twilight’s spiral eyes stopped before reversing and increasing in speed to a hypnotic degree.
“Milk cum, orgasm, more sex.” She commanded herself. Starlight’s pupils went small, an extreme worry washed over her. Not only did she figure out the spell but she gave herself a new command and with how much energy she put into the spell it was going to last a week at least.
Twilight’s horn lit, Glimmer’s cocks increased in size and girth enough to see the outline despite being deep inside of the alicorn. The unicorn bit down her lip through the pleasure and pain. Another spell, Starlight’s orbs became bigger and filled with so much cum it physically hurt. Another spell, she summoned two large dildos and jammed them into Glimmer’s pussy and ass. Starlight came instantly unloading her seed, each throb forcing the alicorn to move alongside them as though they were the hoof inside of a puppet.
The two dildos started to vibrate harshly inside of her organs before Twilight cast yet another spell. The alicorn formed a girthy pair of cock and balls above her pussy and started pumping away with her hooves. Twilight’s wings grew so much in size that they hit the cave walls, the huge wings towering above the unicorn and the pony that they were attached to.
The princess continued to slam herself down on the two pillars. PLAP, PLAP, PLAP, PLAP. Every thrust, every pump, getting closer and closer. Starlight could feel herself starting to slip, the sex overwriting her mind. The massive wings flapped, Twilight’s drool stained the unicorn’s fur. PLAP, PLAP, PLAP. Finally they both were on the verge of release, holding it in as much as they could. With a final plunge Starlight shot fountains of cum inside the alicorn. Twilight released a load from her cock onto the unicorn’s face, the thick seed almost choking her. Rope after rope until Starlight collapsed, still, Twilight wasn’t done. She casted a spell, the slowly shrinking cocks shot with adrenalin and she continued to plow endlessly. Cum slowly flowing through Glimmer’s throat.
--== Ending ==--
The door busted open and a rainbow maned pony ran through.
“I came as soon as I could, how is she?” Rainbow asked before looking at the scene in front of her.
Rainbow saw two mares on the hospital bed, both of them had their manes and fur completely stained white. Their pupils were almost the same exact color. They were inseparable at the waste. The nurse pony looked to the new pony and shook her head in a frown.
“As soon as I get out of here you are going to feel my WRATH TWILIGHT SPARKLE!” Glimmer managed to speak.
Laugh Track!
Author's Note
1k likes and I'll kiss you, that's right, YOU, on the lips.
This is what I look like btw: 
I keep forgetting that "obvious or implied liquids" in photos on this site is banned. Thankfully the 8% cum strategy is doing Celestia's work. Shout outs to my pfp and the image for this story.
