WARNING:

I do not own or profit from Harry Potter or any characters in the franchise or trademark Harry Potter (Potterverse). I may be a sick, perverse individual but I do not promote or practice any fetishes or alternative lifestyles portrayed in this fan fiction, as it is highly impractical and FICTIONAL. If you are squeamish, don't enjoy pregnancy/birth/lactation/robust women/orifice stretching/non-consent/reluctance/mind control/female genitalia and reproductive functions/underage sex/incest/orgies/partner swap/cuckold (among other perversions), DO NOT read this as I won't tolerate hate mail or negativity as via this extended warning label you have been properly warned! Continue at your own risk. Also, if you don't enjoy the natural aging process (i.e. Sagging breasts/droopy uterus/organ prolapse) then do not read as I didn't hold any punches. I love to wallow in the uniqueness that is humanity as no two vaginas are the same and life has so much variety that uniformity and the average notion of beauty is boring. Beauty is open to interpretation so don't judge lest ye be judged in turn. Enjoy!

Sirius Black was stuck in his insane mental landscape, attempting to escape the dementors for a short reprieve amongst his disjointed and erratic thoughts when the prisoners of Azkaban were broken out. He thought he heard an overtly familiar scathing voice say in sadistic glee, "Oh joy, we found the mongrel Black. Let's bring him and repurpose him into something useful."

When next Sirius was conscious and aware, he found himself reposed upon the softest, most luxurious bed he had ever been in. His bared skin rubbed the fine acromantula silk bed clothes and he shivered in delight. The poor insane ex convict was dumbfounded at the luxury he found himself amongst. Observing the room with wild grey eyes, he took in the floral silk wall paper and rich appointments of the roomy handsome suite. A gaggle of houselves popped into the room, bearing toiletries and supplies. They firmly roused him and ushered him into the en suite bathing chambers. Catching sight of himself in a full length mirror, his jaw dropped. His once haggard prematurely aged body was that of a nude prepubescent ten year old boy with creamy unmarked flesh and flawless complexion. This was a face and body he hadn't seen in 25 years. He was half the height and weight of his adult body, with curling black locks to his shoulders and innocent wide grey eyes fringed in thick black lashes. Sirius' pink pouting rosebud lips parted around a high pitched gasp as he ran trembling hands down his undeveloped childish body in shock. He had a thin hairless chest with tiny pink nipples and a flat, smooth belly. Sirius briefly ran a hand across his once prized manhood, shrunken and hairless with small undescended balls between slender coltish legs.

As he was inspecting his boyish body, a dark figure was posed in the doorway, drinking in the slight boys lithe form with undisguised hunger. Sneaking up behind him, Snape harshly squeezed Sirius' small tight arsecheeks as he brought his huge cloth covered erection between them to thrust against the small virgin anal star. Panicking and attempting to flee, Sirius thrashed in Snape's tight grip, being pulled back against the rock hard cock brushing his opening. "The elves informed me your giving them trouble about bathing, my sweet boy," Snape breathily whispered against the trembling young boys tender neck, causing him to shiver, "Don't you want to prepare your succulent little body for Daddy?" Instead of allowing him to respond, Snape bodily picked him up, wrapping the slim legs around his waist as he carried the sputtering lad to the enlarged tub. A silent incantation removed Severus' clothing and he lowered them both into the oversized garden tub filled with sweetly scented water and overflowing bubbles.

"What in Merlins name do you think your bloody doing, Snivellus? What did you do to me?" The boy demanded whining in a high pitched voice, weakly attempting to shove away from the man fondling his body ineffectively as the grown man was much stronger than he.

"I'm washing you, pet. Your filthy and I refuse to touch you before we clean you out. I rescued you from Azkaban for repurposing. For now you are my boy toy and will take direction to please me in any way I see fit. You've been deaged and healed, inside and out. I've been tasked with breaking you in properly. Once the Lestranges are healed and whole from their ordeals, you will be bonded as a concubine to the Black and Lestrange lines, transition to female and be privileged to carry the numerous heirs for both lines or whomever your masters see fit to give you to, such as I. You will be kept young and pretty, dressed in the finest clothes befitting the concubine of ancient and noble houses and fed nothing but the finest fare. You will be educated in accordance with your duties and given lessons on etiquette and the social graces. This is your life now," Severus informed him in a genial voice, rubbing the young boys tender delicate flesh.

"Dumbledore will have your head for this," the boy moaned piteously as the grown man gently fondled his tiny prick and slicked a slender soap covered digit into his virgin back passage.

"Dumbledore is dead, killed by the Dark Lord. Your precious god son, Harry, has been the consort of my Lord for a while now,and is currently preparing to birth him twin sons. You will be meeting him later on at social functions once you have been processed and appropriately trained," Snape informed the mewling boy as he brought him to orgasm. Sirius trembled in Snape's lap, the hardened adult cock nudging his swollen rectum as he attempted to wash and condition the boys soft curls.

After being thoroughly bathed and cleaned, Sirius received a colonic potion to clear his bowels and various potions to remove body hair, a potion to cause his rectum to produce lubrication, several lust potions, and a potion that made the boy pliable and loyal to Snape and do as instructed happily without question. Snape personally lotioned and creamed the sensitive skin, then combing the black locks out until they shined. Settling the both of them into the sumptuous bed, Sirius cradled against his lean chest with slim legs splayed wide straddling his lap, Snape called for an elf to bring them a light repast and Sirius' nutrient potions. The attentive potions master dutifully fed his pretty pet his potions, then hand fed him fresh fruits and delicate savory morsels, allowing Sirius to suck and lick at his fingers after each bite.

"Your going to be an excellent cock sucker, my dear," Snape groaned throatily at the pretty swollen lips suckling his fingers diligently. "How about you give daddy a kiss for taking such good care of you."

Sirius innocently leaned into the man, running his lips lightly over Snape's. As Snape opened his lips slightly, he ran his tongue lightly over the lads demanding entrance. With a gasp, Sirius parted his lips and his mouth was plundered pleasurably by the mans talented tongue. Although Severus wouldn't impregnate him, he could break in the lads sumptuous arse and then once he was feminized and his Masters took his vaginal virginity and he bore them heirs, he would be allowed to play with her as he liked and would possibly breed her. Severus took his time, kissing his boy into wordless pants and mews of pleasure, lapping at his honeyed mouth while fingering his drooling arsehole. Finding his prostate, Snape had Sirius begging to be taken as his miniature cock hardened. Laying the small boy out and spreading his slender legs over Severus' shoulders, his oversized tool teased at his slightly loosened entrance as he leaned down to capture Sirius' mouth in a passionate kiss. Pushing the head of his cock past the boys ring of muscles, the man moaned in pleasure as the boy's muscles tightened in pain around the invader. Quickly thrusting his prick until it was completely sheathed in the tight silken passage, Snape grunted as Sirius whined in pain, several tears running down his flinching visage. The pain quickly dissipated into pleasure as the large member prodded his prostate incessantly, causing him to moan and plea 'faster' and 'harder' and 'fuck your fat cock into me daddy'. Severus pounded the boys arse in quick, punishing strokes, lightly fondling his petite member until he came against his chest with a scream of 'Daddy'. Silky smooth muscles clamping around his straining cock caused Snape to come with a howl, filling the boys bowels with his secretions. "Daddy, you made me feel so good. I want you to fill me up even more," the needy boy demanded. Quirking a brow, Snape stated, " Oh goodness, your insatiable pet. I'll give you as much cum in your arse and mouth as you need, baby."

The following months were full of decadent debauchery, Severus teaching the boy the pleasures of the flesh as he took him in a new position everyday, fucking into his loosened sloppy boy-cunt as many times a day as stamina and pepper-up potions allowed. Sirius became a world class cock sucker, sucking his daddy off at every meal until his belly was full of come. When alone, Sirius was not allowed clothing and spent most of his days with his legs in the air and his gaping arse spread wide with Severus' huge cock stretching it and filling it until it was dripping semen. He was not allowed to touch his cock at anytime and daddy had gone so far as to trap it in a cage so the boy learned to come from penetration alone. When his daddy wasn't filling him with his wonderful member, Sirius was to keep his bottom spread open with a large jeweled plug. When they had company or he had etiquette lessons he would be provided ruffled panties, silky stockings, femininely delicate robes made of the finest fabrics, and low heels. The elves dressed his ever growing hair atop his head in elaborate styles, curls cascading around his aristocratic brow. He was taught to apply light cosmetic charms to his classically beautiful face, high cheekbones delicately flushed and swollen rosebud lips lightly painted. He was so graceful and excelled in his dancing and etiquette lessons. His daddy bathed him everyday and would let him wear pretty frilly night gowns just to pull them up to his chest while fucking into his red swollen boy-cunt. The time came for his dedication ceremony to his masters.

The day of the ceremony, Sirius was given a gender change potion. His curling black tresses lengthened as his waist dipped in and hips flared out. Breasts protruded and plumped outwards, giving the former boy high, pert bosoms to go with his rounded bottom. Her tiny cocklet was replaced with a tiny tight virgin slit and her lips plumped out spectacularly, looking bee stung. Severus bathed her in the perfumed bath, rubbing fine creams into her milky flesh. He then rolled the delicate silk stockings methodically up her creamy thighs and fastened them with Lacey garters. Her daddy tightened her into a cream colored brocade corset until her tiny waist could be spanned with his hands with room to spare and her perky breasts were pushed up and accentuated with the ruffling on the front. Her cream colored gown was tight in the bodice, her slight breasts pushed up past the low neckline, tight through the waist, flared out greatly past her hips thanks to numerous tulle petticoats, and flowed to the floor gracefully. The elves dressed her hair in long spiraling curls with fresh flowers twined throughout and applied artful cosmetic charms. Her ears and throat were adorned in diamonds and pearls.

Her daddy escorted her through the manor, which was Slytherin Manor apparently, and into the large ritual room full of the Dark Lords followers. The Lord himself was seated at the head of the room in a grand throne, his lovely consort at his side. Severus gently guided her to the ritual altar where her masters awaited. The Lestrange brothers had been given slight deaging potions, putting them in their 20's and their prime. They were darkly handsome with broad shoulders, tapered waists, and long legs. They looked like twins. What really drew the concubines eye was a twenty something Bellatrix, or Bella as the former male had always called her while growing up, dressed in a sheer black lace gown that dipped daringly low over her large high bosom and round pert buttocks. After being handed off to the three Lestranges, each laid hands upon a part of her, allowing themselves to familiarize themselves with the feel of her and her magic. Four chalices stood along the altar, her masters each adding a three drops of blood to hers as she was made to do the same to each of theirs. Other ingredients were added including honeyed mead. The official spoke the ritual words and told them to repeat the words and drink deeply of their cups. After doing so, they were all made to sign official documents and the former Sirius Orion Black was directed to sign as Stella Walburga Black-Lestrange.

Stella, as she was now known, was disrobed and laid out on the altar as she would be ritually deflowered by each of her consorts. Bellatrix went first, allowing her gown to pool at her feet as she stroked the large cock that now sprouted between her legs. Apparently she had slight metamorphagus abilities and preferred sporting a large cock. The drugged ritual potion did as it was designed, fogging her mind and binding her will behind a permanent geas to love, honor, and obey her masters as their concubine. She was also given long acting lust potions, good for 3 months then they had to be reapplied. Her mistress got up between her splayed legs, spreading her labia gently as she slipped a slender finger into her soaking opening. Fluids gushed out of her cunt, readying the virginal flower for her to breach. Leaning forward, Bella fondled her young cousins slight breasts, toying with the tiny nipples and suckling the delicate skin on her neck as she settled her straining cock against the small opening, thrusting all the way in at once. Stella gasped in pain at first, yet pain mixed with pleasure consumed her burning body and soon she was moaning in need. Wrapping her legs around Bella's waist, she met her thrust for thrust as the cousins fed from each other's mouths. Soon Stella was coming, clenching around Bella's thick cock and inciting the woman to spray her fertile womb with her seed. Dismounting the boneless girl, now her concubine, she sank down onto a chair nearby to catch her breath as her husband, Rodolphus, took her place between the slender pale thighs. He immediately thrust his fat girthy prick into her used pussy, squelching in the left over semen of his wife. He began a brutal pace, throwing the girls legs over his shoulders and battering against her cervix before spilling his seed and removing himself to sit beside his wife. Next Rabastan took his place on the altar, turning the young girl onto her knees as he stuck three fingers into her stretched cunt, testing its capabilities. Satisfied with her preparedness, he sank his ridiculously large member, a lot larger than the previous two, into her sheath. Her pussy strained to take all of him, tearing slightly as he slowly began thrusting, allowing her time to adjust to being split open by such a large object. He began rubbing her engorged clit and pinching her nipples until she came, screaming, around him, squeezing his horse sized dong until he splashed her womb with cum.

After the joining was complete, the foursome moved their bonding party to their suite. The consummated their joining throughout the night and the next few days, stopping only for food, which the elves brought to their suite. Both men had routinely fucked Bella before at the same time, so they carried on in that tradition as well as different combinations that involved all four members. The men had been sexing each other since adolescence and when Rodolphus married Bella, they added her to their interactions. Now that the triad had taken a concubine to bear their heirs, they kept her full of semen from all three of them. After a few days the healer determined she was pregnant with triplets, one heir for each sperm donor. Bella's baby would be the Black heir, Rodolphus' would be the Lestrange heir, and Rabastan's would be the spare Lestrange heir. Then they would keep their little concubine full of babies and sperm until she could no longer reproduce. They would give her potions to ensure she bore only females after their heirs and spares were birthed. They would sell the females marriage contracts to the highest bidder, ensuring the families increased wealth and spreading influence.

Due to an expediency potion, little Stella grew impossibly large rather quickly. Her masters continued to fuck her rapidly expanding form, enjoying the symbol of fertility as their combined cum drooled out of her swollen pregnant pussy and gaping red arsehole. Her childish titties had blossomed to overflowing as her body prepared to nourish three children. Bella enjoyed sucking her sensitive nipples as she begged and pleaded with her to stop because they were too sensitive and painful yet caused her to cum and cum and cum. Of course Bella never listened, enjoying the slight torture of her little breeder. Stella had been put on bed rest, although that didn't stop her masters from using her gaping cum drenched orifices like it was going out of style. Her body was so swollen with babies and milk that she couldn't even roll herself over. Finally her gargantuan belly dropped, her large belly button popped out and her vagina long since buried under her monstrous abdomen slickened and widened in preparation of the impending birth.

Bella, Ruddy, Rab, and Sev all came to attend the birth. They each took turns massaging her perineum with oil and stretching it slightly. They suckled her nipples and clit, causing her to orgasm through the pain. She sat on her daddy's lap in the tub, the hot water soothing her contracting muscles and aching back. After 15 hours of intense labor, her first baby made its way to her gaping opening, huge head stretching it further open, bulging her cunt lips out. As the head finally passed through her stretched orifice, she tore quite badly. With great difficulty she pushed out the shoulders, the rest of the baby coming quickly after with a huge gush of amniotic fluids and blood. It was Bella's boy, which she named Cygnus Arcturus Black and assisted the large newborn in latching onto his mother's large tender nipples. Stella happily nursed her babe as the second one attempted to be born. She pushed and pushed as the second boy was crowning, head popping out much easier the second time. Finally the boy was birthed in a flood of birth fluids, this one Rab's son, Cyrus Lestrange. Little Cy quickly latched onto his mother's spare breast, suckling thirstily. Her third baby was of course born the quickest, crowning in a matter of minutes and being made to wait his turn at the breast. Stella was given lactation aide to produce enough milk, healing potions for her vaginal tearing, and rejuvenation potions. After she was healed, the fatigued girl was set on again by all four adults present, passing out as they took turns at her gaping cunt and arse. She was bred again the same day, this time with twins.

After her third birth the family unit decided she was ready to be accepted socially among her peers. She was at the beginning of another pregnancy when she was introduced to her once godson, now heavily pregnant god daughter, at a gala event. The two adolescents hit it off, talking about their numerous children and husbands. The girls were nigh inseparable thereafter, having teas and luncheons at least every other day and play dates for their ever expanding brood. Stella had borne her Sev a few children, making her even closer to the surly potions master that she had once tormented in another life time.

Stella was an insatiable nymphomaniac, thanks to her naturally high libido mixed with the long acting lust potions. She loved each of her masters in turn, accepting them fully even with their flaws and oft times sadistic proclivities. She loved her Bella's domineering and slightly insane behaviors, how she would torture Stella with pleasure and pain until she begged for mercy. Stella was infatuated with her Rab's rough yet thorough love making, how at one point he was delicate and passionate, then the next he was rough and ravishing. She enjoyed her Ruddy's selfish and punishing brutality. Yet most of all she loved her daddy's tender and loving embraces, no matter how harshly he took her she felt loved. Her life as a male had been horrible, going from one abuse to the next then imprisoned for life. She barely remembered her previous life, mostly flashes as if a bad dream. In her new life she was loved and protected, cherished and pampered. Stella had her loves, her children, and she wouldn't go back to being Sirius for anything.