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// Ending “C” Twilight Incest.
// Story: Don’t Harass the Captain’s Sister
// by Sub0-82
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 “As for you two poor excuses of standing by and letting this cock food ‘friend’ of yours get away with harassing a mare, MY SISTER no less. You’re lucky I’m willing to overlook this transgressions, since you helped me put him in his place.” Shining Armor stats with a hefty *smack* on the bulging head pressing out his sloshing sack below, FLash Sentry still struggling within. 
“Now Go and escort my sister here or tell her to come to my office ASAP, I need to offer my apologies to her for this incident. If I know her, which I’m sure I do, She’ll be in the “Royal Library” with Princess Cadance. DOUBLE TIME PRIVATES! OR DID YOU WANT TO JOIN FLASH!?” Finishing off with a commanding tone just shy of the ‘Royal Canterlot’ voice in volume, both guards quickly run out the office without giving a ‘salute’  to the captain, only earning an annoyed stare at where they were once standing.
 “TCH... Leaving without proper protocol as well among the other broken protocols expected of the guard.. IF they make it back from Cadance I’ll make sure they are cleaning toilets for a month...” Leaning back into his chair, he relaxes and  just feels the struggling pony continue trying to escape the tight confined sack. Rubbing his hind legs over his sloshing flesh, enjoying the slight teasing as he feels the movements within.
 Flash meanwhile pleads and begs to be released and to be forgiven inside the fleshy prison. The musky, cramp environment filling half way with sloshing cum of his former captain pool’s around his lower body as Flash sits hunched over. Wings, hooves and face pushing out against the walls, trying to find any way out of the sloshing sack. Before long trying to throw his weight around only earning pleased groans from above. His desperation struggles slowing down with each passing minute as he slowly grows tired as the time passes. Knowing something is wrong with how tingly and tired he is but, unable to see the trouble he is in fully.
 “You must be feeling it now don’t you?” Flash quiets down as he hears Shining voice from above. “The tingling sensation should be setting in now on your lower half that's stuck sitting in my sloshing cum as it pools around you...” As Flash looks down, noting that he did in fact feel ‘weird’ over his body, but mostly in the lower half sitting in the mention pool. “Hard to see it with no light. Maybe if you were a night guard you could tell the problem but, us day ponies need help seeing in those darken environments.” Dipping his front hoof into the pool he tries to rub his rear leg to get any feeling back and to see what Shining is going on about. “Lucky for you, I happen to have a spell to ‘help’.” Upon hearing that comment Flash is shortly blinded, causing him to sit and wait for a few seconds before seeing the damage done to him.
 Outside Shining watches as all movement stops from within, waiting for Flash to see what his stallion hood does with its ingested meals it receives. After nearly a full minute of nothing happening, A very mare-like scream rings out and the struggling  starts up again. “Hehe... thought you fainted on me for a moment there!”
 Flash meanwhile saw the cum being turned into a slight yellowish color instead of the milky white he would have expected to see. Inspecting all his hooves notices as his own legs melt before him. The pool around him is only being thrown further around his body, keeping him coated  further with his panicking flailing as he starts screaming further to be released, only earning a laugh from above at his misfortune.
 “Keep it up! You are only speeding up the process of becoming my next baby batter for any future mares!” Shining loudly exclaims as he leans forward over his balls with his hooves to help FLash along with the struggles. The next 10 Minutes passing by in a blur as Flash weakly struggles against Shining taunting rubs. Both unaware of the lavender mare walking into the office as she watches the exchange with a smile at the stallions before her.
 “Hey BBBFF...” A sultry tone rings out breaking Shining focus from FLash to the new pony within the room with him. “Is ‘that’ for me or are you just going to leave your little sister all alone by herself?” The young mare is Twilight Sparkle, the captain's younger sibling.
 Looking back at his sister noting the bedroom eyes’ she is given him. “Of course not Twiliy, just getting ready for you” He responds as he rocks back before throwing his weight forward to ‘wobble’ his way to her, as he drags his protesting sack along the floor slowly, Soft pink glow of his horn helping keep most of the weight off.
 As both siblings close the distance in the middle of the room, they nuzzle each other lovingly before finishing off with a kiss. As they pull away, a string of saliva forms before breaking away. Shining horn still glowing softly with magic, maneuvers himself to sit on his flanks on the soft carpet floors with his liquid fill sack up front for Twilight to admire. HIs legs forced open wide as a sloshing beanbag of flesh sat proudly, with the still election shaft begging for release.
 “Well Twiliy... how does he look?” A light smack rings out as Shining slaps his own balls, while showing off his pride. “Mostly liquified now but, needs to ‘bake’ just a little longer before he can ‘cum’ out”.
 Twilight mostly feels her backside heating up at the lewd display and the taboo act both siblings will soon partake in, her tail swishing her feminine musk into the air to mix with the masculine already present. Licking her lips she slowly close’s distance once more, but instead going for another kiss, instead hugs the sloshing flesh before her.
Her head at the base of Shining cock, while using her whole body to hug the balls themself. Her hooves rubbing and lightly squeezing every inch she can hold, feeling the last solid mass slowly melt down into the warm delicious cum for later consumption that she is looking forward to.
 Her head taking care of the throbbing shaft above her, giving slopping licks as she travels to the leaking tip, her moans in pleasure mixing with the grunts of approval from her brother above, who lets her take the lead knowing that she prefers taking the lead.
 “~Mhmm~... I needed this Shiny... Princess Celestia has been pushing me lately on my studies... haven’t gotten much relief alone and this JERK” Twilight stats giving a rough shove to the former stallion now a ‘milkshake’ within “Had to throw off my studies!” She finishes her small rant by giving the sloshing cum filled sack further harder rubs, not quite painful but, does give a louder groan from above her. Twilight just leans back giving a glare to the sloshing below her as she remembers her earlier  encounter.
 “Mmfn!... We-Well where would you like this bitch sent then?” Shining gives a shaky response trying to fight down his protesting shaft reaching its breaking point. He fights raising his hoof up to pet Twilight head to bring her back down onto him. 
 Moving back to line her head with his tip once more, she lightly starts humping Shining’s sack, her marehood leaking freely down mixing in with the small layer of his balls sweat. “He wanted to ‘claim’ me as a notch under his belt, and I’m not going let a signal drop graces my womb!” Giving a hard grind as she traps a part of Shining sack between her rear legs. “He can fuel my body with the best nourishment he can hope to be, just like my old teachers not helping with my education back then!” She finished with deep throating the cock before her in a signal swallow, throat bulging just shy of her chest as she takes nearly the full length down, 
 Shining throws his head back in a silent scream before grunting loudly as the first flood gate rushes out and down into the tight throat of his sister. Twilight ~gulping~ loudly around him as his flaring tip unloads a few gallons down her throat, his hips lightly humping trying to bury deeper inside. 
 As Twilight gulps noisily around the dick, her humping only squeezing more cum out with each grind, nearly half the pony sized cum filled treat is empty and now filling her stomach as it expands out. Her own belly growing with the sloshing stallion milkshake, making her look ready to give birth if she was pregnant. Slowly she rubs her aching belly as the flow of cum starts slowing down with half now inside her gurgling belly, while the remaining stays inside Shining dick.
 Pulling off with a slicking -pop- off of her brother’s still twitching shaft, she breathes deeply her first breath of fresh air after drinking so much, coughing in between to fill her lungs with fresh air. She doesn’t protest as Shining decides it’s his turn to take over. 
 Guiding her down to lay on her swollen belly, Shining gets into a mounting position with her head, letting his still hard shaft with the  still last remains of Flash sloshing behind him. Only after a minute before he hears Twilight get her breathing under control before feeling his tip being licked once more, signaling him to start filling her already sore throat once again.
 Resting just his tip at the entrance of her mouth, letting Twilight get one last big breath of hair, slams his rod back into her abused throat. Holding himself to the hilt down for a moment, before pulling back out leaving just a few inches out of her clenching esophagus, slams back in once more. Getting into a rhythm as Shining pumps his hips into his sister's throat, quick and hard movement as with each pounding down, hilts  his entire cock in the tight fuckable tunnel. 
 Twilight throat vibrating as she moans loudly around Shining shaft mixing with the grunts of pleasure that he gives off as well. Shining reaching a hoof around begins playing with Twilight’s leaking pussy as well, wanting to bring her release along with himself. The two being lost to the world around them as the focus on one another, the fevering pleasure and stench of sex filling the room full now.
 Shining feels his second release quickly approaching, losing all rhythm as instinct takes over, mind filling with the need to breed the mare below him, claim her as his. Pounding with greater vigor than before, using both of his front hooves to push his mate down securely, leans to bite her plot as if he was nicking her neck instead. His mate's whole body quivering before both ponies stop and tense up as their bodies release the floodgates.
 Twilight soaked marehood winking and clenching on nothing as she climax’s from feeling being used as a personal fuck toy by her throat. Her cum filled gut expanded further as more cum rushed in and down her throat. The liquified stallion now nearly makes her look ready to burst from how much stallion spunk has filled the once empty stomach. Twilight though only feels bliss at having been filled to the brim once more, only wishing the princess would let her indulge more often in eating the castle staff to keep up her strength.
 Shining meanwhile has nearly emptied the remaining remains of Flash down into his bloated sister. Only about 2 gallons remain inside that's quickly draining out and down to the happily filled stomach. Pulling out slowly the last few cups worth of seed  sprays out of Twilights mouth and over her face instead, covering her head and mane in the last few spurts of cum onto the dreamily smiling sister, as she bask in the smell of her brother covering her with his seeds, marking her as his. The once stallion cum filled sized sack back to its grapefruit sized after spending so much out.
 “Mmhmm... hehe Shiny you made such a mess on your little sister! What’s Mother going to say when she hears about this?” Twilight giggles softly as she leans back trying to scoop up what cum she can off her, not wanting to waste a drop of the salty taste of her brother. Shining only leans closer as he presents the softening shaft to have the remaining cum cleaned off.
 “My baby boy has grown up so big and strong?” Giving a teasing response as Shining watches the tongue bath finish cleaning the last bit of cum off him. “And my little filly needs to learn not to make such a mess without cleaning up?” Teasing Twilight earned him a shove from his sister before both siblings walked to the lone couch to nap and cuddle for the next hour.
 “Your being mean Shiny... but I’m too..” Twilight starts before taking a deep breath yawning before she concludes her previous statement “...tired to care right now. So come on a quick nap before my private lessons with the princess.” 
 Shining being the first one onto the couch pats the open space by him. “Love you to sis. Now get over here, also hows Cady doing?”
 Taking the invitation Twilight doesn’t hesitate to join her big brother. “Think she decided on early dinner but, don’t know since she set me off as soon as those guards told me to come here.”
 As both siblings lay down for short rest, Shining being a big spoon to his little sister, licking her mane for any residue of his own seed, not caring it was his. Within a few minutes both ponies were out like a light, the only sound was the breathing as they drifted off to dream land....~gurgle~ and the full stomach of the mare as few -burps- ring out during the nap.