FSE

Furry search engine

formerly SoFurry search engine

( M/F, penetration, bear monster, human, transformation )

Alek dismounted from Natasha as she lay limp on the ground, her beak splayed open as she panted. The male looked at the rest of the family, tail wagging friskily, to see what they would do next.

Elena slowly got to her hind paws and drew herself up to her full, towering height. She aimed a claw at her otter daughter, as she stood behind a tree.

“Mila, defend our family!" she said, taking the wrestle rather seriously. “Turn into a monster and fight!"

Mila felt the direct command and her body immediately started to shift in response. She grew quickly, her apron strings straining around her thickening neck and waist-

“No, mama!" said Mila angrily, through her changing fangs. “I'm not playing!"

Mila hated conflict. She did not _want_ to be a monster or fight her mate, even for fun. It wasn't fun for her.

She felt the changes like the flexing of a million muscles through her whole body. And she realised she could flex back. She scrunched her real muscles and mentally rippled the metaphorical ones that were transforming her. She grimaced with effort and concentration, trying to fight the transformation, until she realised it was better to just… expect the changes she wanted to happen _would_ happen, like how her mother did.

Immediately her growing claws retracted, her savage fanged muzzle softened, her fur shrank, her unflattering bulk receded.

Elena and Natasha looked at Mila with surprise at the youngest girl's unusual rebellion. She smoothly returned to her little otter woman form, but was starting to grow again. The girl's fuzzy pelt continued to shrink until soft human flesh remained. Her tail dwindled behind her, causing her to stagger momentarily at the change of balance. Under her apron her extra breasts smoothed away.

Mila looked down at her body as it completed its shift back to fully human.

“Huh," she said noncommittally, then she turned and started to walk away, carefully stepping, getting used to movement without a tail again.

“I have chores to do," she added, hoping to sound defiant, but it came out a little too sulkily.

Alek saw her departing, leapt over Natasha's exhausted bird body and galloped up to the youngest daughter. He growled mournfully at her, on all fours, his head lowered.

“I… don't know what to feel," said Mila, still looking ahead. “I really care for you, and to know that you robbed us and threatened my mother…“

“Arrrgggro…"

“Why though? Was it just hunger?"

“Graaann. Arrraggrrr ahh…"

Mila only really had the tone of his noises to go off. It _sounded_ like he was really sorry. And that meant a lot. She looked into the face of the beast. His large, sorrowful eyes reflected his voice.

“Werrr angrr, rrr haaarr rrrraa heerrnn. Laarr arrrhhh [deep noise from throat]" he confessed, his tone desperate. He lowered his head, then abruptly flopped over on his back.

“That doesn't count," snapped Elena. “He's not supposed to give up!"

Alek flicked his paws and looked at Mila, whose heart melted at the sight of the beast's guilty expression and humbled posture.

“Well… you _sound_ like you regret it…"

The monster reached out a claw. Mila slowly extended her hand, let him take it and pull her onto his vast, thick furred belly.

Mila lay on Alek's front, human and vulnerable. And very comfy, her nearly naked body nestled with her arms and legs almost swallowed up in his shaggy fluff. She felt no fear despite her mate's new size and array of deadly natural weapons.

“Can I trust you again? I want to, I want to be protected by you."

Alek nodded and further wrapped her up in his shaggy limbs.

Natasha and Elena watched the two snuggling. Mila relented and started to giggle coyly as they wriggled against each other. She was very close to a manhood that was the size of her forearm, and only growing larger. It nudged her back rudely, dabbing musky wetness on her, remnants of the passion from Alek's mating with her mother and sister.

She turned and ran her fingers over the beast's firming staff. Alek rumbled happily as she slid both her palms up and down the veined, deep red length, then rubbed the sheath nestling at its base.

Mila tentatively pumped at the now firm length, both her hands slick with the juices of his earlier climax. She wriggled her crotch over his furry abdomen as she felt her own need swell. The beast noted her own want rise and suddenly lifted her in the air with his foreclaws. His youngest mate dangled over his crotch and he defltly shifted his manhood under her apron, bumping its tip against her labia.

“Eeeh!" squealed Mila. “I-I surely can't fit… well, I can try that shape shifting thing, I guess…"

Mila opened her legs wider and gasped languorously. Alek more firmly probed the fist-sized tip of his enormous manhood into her pussy. The woman gasped at the sensation of her labia stretching around it like elastic. She didn't need to try and control the changes to her body, she just felt them come, slacken her vaginal canal so she could welcome her monstrous mate into herself.

Alek slowly eased her down onto his vast cock.

“Ahhh… ahhhhh! So much!" Mila managed as she felt his length pass through her body, stretching her groin and abdomen, opening her passage almost frighteningly wide. She mumbled vacantly with the intense, unwholesome, strange pleasure, and gripped his fur with her little human fingers.

Mila felt it breach her cervix and fill her womb, press on deeper still, wearing her uterus like a condom as it pushed her internal organs out of her way and lay alongside her sternum. Mila wheezed helplessly and came, flexing around the hefty cock as her dilated vagina oozed her juices.

Alek rubbed the nails of his claw through her dearest mate's hair as he watched her spasm helplessly around his manhood. She slumped forwards but remained upright, supported from within by his ragingly erect, massive length.

Mila composed herself enough to brace her feet against her lover's groin and slowly, achingly, lift her body up along the beast's thick staff. She nearly removed him from her pussy, her innards unstretched, and she felt weirdly empty. Then she relaxed her legs and fell downwards again, felt her body get impaled upon his shaft once more. Alek growled with pleasure and slid a paw over the human's front, feeling the bulge of his cock surging through her stomach.

The woman accepted his length right up to its sheath, then, hands shaking, took his heavy claw and wrapped his fingers around her torso. Alek looked intrigued at her and the youngest simply nodded and smiled nervously. She knew she was in for a wild ride.

Elena and Natasha stood in their monster selves over the two as Alek, gripping Mila around her whole chest, started to pull the comparatively little human up and down over his manhood. Mila moaned heavily as his length surged into her and pulled almost free. Her limbs flopped and twitched helplessly as he took her, wore her, used her flesh to stir himself towards orgasm.

“Is she… okay?" asked Elena with some concern. Her youngest, mouth slack with the overwhelming sensations, could only look at her and grunt absently. She surrendered herself to Alek and hoped her own new power would let her get through this without bursting. At some point she came again, but she felt more pleasure, a beastly kind of fear and thrill, at sensing her mate starting to shiver inside her with his own oncoming orgasm.

Alek pulled his mate fully down onto his length and Mila felt every twitch and pulse of his cock as he climaxed. The monster bellowed and the girl felt his thick seed surge into her, swelling her core, making her feel like a balloon. It poured out of her pussy and she could taste it in her mouth. It almost seemed like it mixed with her blood and replaced her fluids.

The beast let go of Mila's body and she slumped forwards, panting, grunting indistinctly, into the bear monster's cum-slick pelt. His manhood softened within her and she let it remain embedded, too tired to move anyway. Her expanded body slowly deflated as a stream of his semen escaped her aching intimates.

“Silly girl," tutted her giant mother, “that was too dangerous, you worried us. Don't do that again!"

Mila managed a dopey smile. They both knew that order was going to be disobeyed.

---

As the morning turned to afternoon the women fought valiantly but futilely against their common foe. Alek pushed away Elena's weak grapples with one foreleg as the other gripped a squawking, fluttering Natasha around the waist and ground the knuckle of his claw against her sensitive slit. Mila, her little human body hanging between his legs, moaned indistinctly as his cock inflated her delicate human vessel again with his warm seed. She undulated, trying to grasp her lover's furry legs, but slid off his softening length into a wet, sticky heap at his feet. Natasha's talons flailed as she was coaxed into her third orgasm by their lover and he let go of her, leaving her sleek, bedraggled black body to slump down atop Mila's panting, oozing self, their mate's manhood twitching his thick seed down onto their defeated flesh.

Elena tried another pounce, annoyed that her equally powerful bear-like self was just getting overcome every time. The male just let her land atop him, then he casually inserted his climaxing manhood into her while rolling her onto her back yet again.

“Hhhh…" managed the exhausted female bear monster as her insatiable, tireless mate rode her sore pussy, not even softening much after his last orgasm, still slicking into her nethers, eliciting aching pleasure and stopping any coordinated attempt to wrestle her foe. His soaked chest fur rubbed over her four buxom teats as he stirred her to another shuddering orgasm, making her wince with sordid, weary, delicious pain. Alek filled her with his cum and slid free, standing over them all, his manhood dripping.

Elena lay splayed out amongst her daughters. She murmured something defiant and motioned to her exhausted family to get up. They ignored her. Finally she crawled up onto her knees and readied herself for yet another charge. Natasha reached out a wing claw and held her down, her grasp weak but restraining a woman who was even weaker.

“Awwwwwrrrr…" she squarked. Her feathery slit oozed their mutual mate's seed into the snow, just like the intimates of the rest of the family. Their bodies were spattered with his juices. They reeked with his musk. They were in quite the state.

Natasha had enjoyed the fight, the power of her new body, the inexhaustible passion of their mate. But her mother's tenacity was sometimes too much.

“He's… still… not… down…" panted Elena.

Mila sighed.

“Alek, do you give up?" she asked tiredly, rubbing her tender groin.

The monster immediately fell on his back and wiggled his legs in the air submissively. Breakfast was long past and he was hungry.

Elena scowled. “That… doesn't…“

“Great, let's go home!" said Mila quickly. “Mama, I bet you'd be great at carrying the mill wheel back with your big new body."

“Hah… ob…vious bit of… flattery," panted her mother, who nonetheless preened and flexed her powerfully muscled arms.

---

After a shared bath in the lake they had an entertaining evening of practising their shapechanging and carrying out chores that turned from exhausting to easy as they explored their new strengths. Elena ground all the grain in the house, using her mill wheel with the excitement of a child with a new toy.

Finally the women turned in for the night. Mila looked at her nightgown hanging neatly in the wardrobe. She was still in her human form, save the long otter tail that she flicked, happy to feel it's reassuring weight. She opted to just continue wearing her apron to bed. It was a naughty compromise between keeping herself, ahh, accessible for Alek, but also hidden enough to keep her naked flesh from becoming too mundane a sight.

Natasha was back in her human sized bird woman shape, the form oddly comforting to her now. She looked quizzically over at Elena, who had returned to fully human form, put on her night gown, and was sliding wooden blocks under the bed and propping them against the frame.

“I'm reinforcing it," said the mother, seeing Natasha's birdy stare. “We can all turn into monsters. Maybe it'll happen, uhh, accidentally, at night. You know, when Alek does his rounds."

Natasha grinned beakily at Elena's latest innuendo for the mating they were surely going to be doing.

“I hope nobody gets squashed," she replied.

The women got into bed and nestled together under the covers. Elena blew out the oil lamp and the world turned almost totally black.

The hulking outline of Alek's monster form loomed over them all. He gruffled softly, climbed up onto the bed and carefully eased himself between the sheets. His harem felt his furry body settle about them, soft and luxurious fur over solid muscle.

“We need to learn your language," said Natasha, unseen in the darkness. “You shouldn't be having to try so hard to speak in ours."

“Arrrgggoohhh," replied Alek's deep, animal voice.

“Alek, why don't you try the words we've been practising?" came the voice of Elena, encouragingly.

Mila felt a couple of great paws close around her human hand.

“Aaaarrrr… looooovvvv… yuuuuuu… Miiiiyyyaaaa… Loooovvvv… yuuuuu…"

The room fell silent. After a few seconds, the youngest harem member started to squeal.

“I…. Aaahhhhh… I…"

A big animal nose prodded her cheek. Mila quickly rubbed it with her own and hugged his great bulk tightly, while the rest of her family smiled in the cosy darkness.