Jack (FGO) x PoV

[writer unknown, will edit if found]

It was getting late and it was already dark outside. Me and Jack were back in our hideout after a succesful fight with an enemy servant. I was getting ready to sleep and while Jack was willing to snuggle with me in the bed, servants didn't really need any sleep. However, I knew that the use of her abilities had drained her somewhat and she could use some extra energy, especially if an ambush would take place over night. And... well, it's not like I could exactly resist Jack right next to me with that oversized butt touch my thigh. The thought of using penile growth magic for tonight's mana transfer again immediately slipped in my mind. But then, something more perverted arose from my imagination. "Jack, how about evening snack?" Jack nodded with affirmative "Un!"

I jumped up from the bed and threw away my underwear. As per usual, I cast a quick spell on top of my clit and it grew hot. A few seconds later it extended into a throbbing dick with some pent up balls to accompany it. Jack had positioned her head down and put her ass up in full display, as she hugged a pillow while staring at the impeding cock in sort of a shy excitement. However this time would be different. I gently put my fingers on her meaty vulva and quietly muttered the same incantation and immediately followed some additional lines for a reinforced spellcast. Jack's initially curious expression turned into shocked arousal, as she started loudly moaning and gasping. Her legs wildly bucked up and down and she buried her face into the pillow.

This was her first time feeling anything like it and it was already more intense than anything I had put myself through, since it was a more powerful version of the spell.Then her thin panties suddenly tented with an extremely stiff and large clit that had started to look more like a penis already. Another huge clench was felt with her entire body as she pushed several more inches out but also in girth now. The panties had already been pushed aside from the way of the growing length, but now they were being filled at the base of the groin as two large testes had also pushed outside her vulva and formed a heavy looking sack.

Jack's pussy let out a big squirt as her newly grown penis had reached approximately the size of her arm, albeit thicker and throbbing rock-hard with visible veins on its surface. The massive cock nudged vigorously with every new involuntary clench. The opening of her urethra opened and closed as if it was in despair, leaking precum to lubricate the way for the things to go out ...or in. The quivering mess that was Jack appeared like an extremely tense crossbow that might go off at the slightest provocation. I didn't want her to waste a good climax prematurely, so I carefully started bending and slowly bringing her cock towards me. "Mom...?" Jack whimpered. I took the tip with both hands spread the opening with my thumbs, revealing the depths of a glistening and meaty looking cock pussy that looked like the most inviting thing ever.

"Say aaaah~ for mom. Here comes the cargo plane", I jested with slight glee. Thanks to my rock-like hardness, I had no trouble aligning my own tool against hers. As soon as my tip touched the inner sides of her glans, I let my thumbs go and Jack's opening wrapped itself around my tip like a wet mouth ready for fellatio. I then started slowly pushing the tight but slippery passage, sinking my cock deeper into hers until my groin stopped at her glans. Upon that final touch of having reached as deep as it would go, I saw Jack slowly growing balls make a little jump and tighten against her squeezing ballsack, and her clenching cock's urethra grip mine with all of its might. At this stage I started having doubts about being actually able to pull off my little cock-to-cock mana transfer stunt. Jack was not looking steady at all. She was so on the edge that every little movement was like taking a step on a minefield and one glance at her sloshing balls only reaffirmed this.

I pulled my hips to prepare for the first thrust, but Jack immediately reacted with another back-arcing muffled scream that could have been easily mistaken for a climax."I need to finish this fast...", I thought to myself and suddenly set off to thrusting at full power and speed right away. At this point it was like a scene of wild animals in heat pounding with reckless abandon. Jack no longer made attempt to hold back her cute screams and she looked like she was almost scared at the level of her own ecstasy, unsure what the rapidly rising build-up would bring with it. The feeling was swelling up in myself too as I was trying my best to just quickly cum before her.But then a disaster struck.

As I was closing in on my climax, Jack's urethra suddenly took hold of my cock with the strongest vice grip yet, completely immobilizing and stopping my fervent thrusting in its tracks. I freaked out as my eyes witnessed Jack's now huge balls rhythmically squeezing out absolutely everything they had worked so hard to produce during this short session. In panic I tried to pull out but it was no use, it wouldn't budge. At that instant my own orgasm crawled to its own lazily oozing climax, leaving me open at the worst possible moment asJack's tidal wave of thickest cum hit the blockade, instantly building up the pressure to escape into first crevice to give the way. "Jack, no, wait...!", but she couldn't comply while she was pumping out the biggest climax of her entire existence.

My pathetic sludge of an ejaculation was instantly swept flowing into the opposite direction. In my prostate, the just-widened openings to my vas deferentia offered no resistance as the raging surge went right through it and gave me the most dreadful yet fulfilling experience as it sunk deeper. My balls were violently breached and invaded with rich cum full of Jack's hyper virile sperm, but it didn't stop there. Having instantly reached their maximum capacity, they were now mercilessly tied to bloating to an increasingly larger size with Jack's every additional pump of ejaculation and she even wasn't close to finishing. Jack feet hugged my thighs as her body made its best effort make absolutely sure Jack's "mom" would a mom for real. Frozen with my mouth open, I couldn't utter another word and Jack's unyielding cock continued continue to force in one heavy glob of cum after another, and another, and another. My sloshing balls groaned and churned audibly in distress, every septa absolutely swirling with relentless sperm causing a wild tingling sensation that got more intense with every passing second.

Edit Report
Pub: 21 Aug 2021 00:41 UTC
Edit: 21 Aug 2021 22:07 UTC
Views: 1235