World's First Species-Change: Post-Op Lust

Story by TimberWuff on SoFurry

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#1 of A Species Change

A ground-breaking surgery conducts its first full trial: transforming one species into another. This lucky wolf gets to experience his new body to the fullest, including satiating its lusty desires.


Greg awoke in a hospital bed, his vision was blurred but the sterile sent was all around him. He was very aware of the surgery he was supposed to undergo and expected to wake up in an ICU, but he couldn't move a muscle! He tried desperately to wipe his eyes clean or move any of his muscles at all. Hell, he couldn't feel anything!

He started panicking. Was he paralyzed now? In a coma? Were there complications?! His heart rate monitor was rising and rising.

A dark blurry figure walked into the room wearing maroon nurse scrubs. It got closer to Greg, leaning right over him. Greg relaxed a bit as he could tell this must be a nurse, a wolf nurse. His or her fur just out of reach of his face-... Wait! He had a muzzle! Right there at the tip of his nose! Greg's eyes got huge and his heart picked up again.


Greg was one of the first in the world to participate in this ground-breaking medical procedure. An actual species change! Greg used to be a human, like one of the many in the world, but desired his whole life to become a wolf. Anthro wolves and other canines, felines, and even the occasional dragon shared the world with humans. Humans were the majority population; most of them looked down upon their furred and scaled kin.

To Greg, each wolf that passed by him was a taunt in his face. He awed at these beautiful creatures: their elegant soft fur, leathery paws, and strong muscles. He dreamed of getting to live his life as one, and now it was true. It was a reality and his to experience!


"Haha! I guess you're awake!" The wolf said, clearly a male wolf Greg confirmed based on his voice.

"I suppose I have the esteemed pleasure of telling you the entire operation was a success!" The wolf stated proudly. He took a soft cloth and wiped Greg's eyes clear so he could finally see.

It was a gorgeous wolf. He stared at Greg with his deep yellow eyes. His all black fur perfectly manicured with cute ears pointing atop his head. Greg tried to smile, but still couldn't move.

"My name's Rorick, and I'll be taking care of you through recovery and physical therapy. You appear to be healing nicely. The medically-induced paralysis should be continuing to wear off."

Greg listened to his words but couldn't care less. He was thrilled to have such a beautiful wolf in his presence, and he would be working with Greg for weeks to come! Score!!

Rorick finished fiddling with the IV drips and looked back to Greg. "Heh, well I've got time if you want me to stick around. With such a case as yours, I've been assigned full time to you. God I could use the rest too." Rorick sighed.

"The paralysis will take a few minutes to come down."

Greg started twitching his right index finger, attempting feebly to feel with his new body.

Rorick noticed and got the hint. He took Greg's paw in his paw, and placed his other paw on top of Greg's paw. All the while staring and smiling into Greg's face.

Greg's eyes got huge again and tears were building in his eyes. He felt it all. He felt is very real thick paw pads getting caressed by Rorick's soft pads and fur. Rorick's fingers gently massaging Greg's paw.

A small smile broke through Greg's face. He felt the skin on his muzzle pull up slightly, the powerful and big canines in his mouth now peeking out.

Rorick giggled softly with delight.

"Ah... Seh... Nnnned." Greg tried to speak.

"What was that?" Rorick said calmly.

"I... han.. See.. Hai.. hod ee."

Rorick scrunched his face and tried to match the sounds to words. "You.. want something?"

"Hah." Greg nodded his head as best he could.

"I can't get you food nor water..." Rorick wondered aloud.

"My... Bah-ii."

"Your.. body? Oh! You want to see your new form? Of course." Rorick stood up.

"Now I'm going to have to put your head back so you can see the mirror on the ceiling." Rorick stated pointing up. A mirror was installed hanging from the ceiling for this exact reason.

The bed automatically reclined and Greg saw his wolf-head for the first time. He was stunned as he saw a wolf's head, beautiful grey and tan fur. Light blue eyes that blinked in time with his own... It was him. That was now him!

"Incredible!.. Absolutely incredible..." Greg thought.

The rest of his body was covered by a gown and blankets.

Rorick started rolling the blankets back.

Greg marveled at his furred arms. His paws sporting thick black claws contrasting against his grey fur.

"Now I'm going to take off your gown, okay?" Rorick said through procedure. Rorick couldn't help notice the erection growing in his own pants. He found Greg so adorable and handsome! He realized though that he had to remain professional. What if he got caught sexually molesting his patient?! He'd be thrown in jail for life.

"Mm!" Greg said nodding more enthusiastically.

Rorick leaned over Greg, trying to find the ties around Greg's neck that held the gown on. His chest fur brushing against Greg's face.

Greg took a long smell of Rorick's neck and moaned. He smelled wonderful.

Rorick felt that and smiled. His cock growing harder. God tonight was going to be harder than he thought. He finally found the strings and undid Greg's gown. He rolled it back, slowly revealing Greg's bare body to the room.

Greg smiled and did his first pant as he saw his beautiful flowing fur down his chest and stomach. His eyes stayed fixed on his.. sheath! He had a sheath! Oh god did he want to feel it, but his arms were still asleep. And his tail! Greg flipped the tip of his tail around a little. His first wag! He followed the tail between his legs all the way up to his big balls and sheath again, but now his penis was starting to poke from his sheath.

Greg suddenly felt embarrassed, and moved his eyes to the side to Rorick. Bad move. The sight of that gorgeous smiling wolf only made him harder. Fuck!

"You know, maybe we can get started on your therapy early? I can show you how to use your new penis." Rorick said slyly. He was taking on a huge risk getting sexual with a patient, but it was very clear Greg lusted for him too.

Greg smiled and panted a few more times.

That was all the affirmation Rorick needed. He bounded to the door and locked it. He turned the room's camera away then inclined Greg's bed back up so Greg could watch him undress. He stood back so Greg could see his full body, and dropped his scrubs.

Greg moaned and stared at the eye candy. His fully black frame did nothing to hide the thick balls and glowing red cock all slick and covered in juices.

Rorick sauntered over and gently grabbed Greg's sheath.

"Now, your cock is hidden in this delightful pouch. If you have to take a piss in a human facility, you're going to have to pull it all the way back, like so."

Rorick slowly rolled Greg's sheath fully revealing his cock.

Greg panted harder. The intense feeling! So much stronger than the penis he used to have.

"And this." Rorick said gently squeezing, "is your knot. It grows around when you get excited. Allow me to demonstrate."

Rorick bent down and slid Greg's red musty cock down his long canine tongue. Closing his lips around the still small knot and letting the cock back down. He assumed a rhythm of rubbing his tongue against the delicious dick, taking a deep whiff of Greg's balls when he took the knot again.

Rorick let the cock go, leaving it covered in slick precum and spit. He held it by the knot to show it off to Greg.

Greg was panting so hard now. Half of his tail was wagging, but the only thing on his mind was fucking Rorick.

Rorick walked off, placed some lube (usually reserved for medicine) strategically on himself. He walked back over, whispered into Greg's ear, "And now I'll show the best part of being a canine."

Rorick climbed gently onto the bed, straddling Greg's mid section while on his knees. His own cock starting to form its knot and squirting pre all over Greg's chest. He took Greg's right paw into his, holding it close to his chest, and sunk down on Greg's rock hard cock.

They let out a moan together.

Rorick's cock squirted out a few bigger streams of precum onto Greg's fur. His balls were so thick and needy for release. His busy nurse schedule rarely allowed for any free time.

"I want.. to taste!" Greg said. Not at all sexy, but he could still barely move.

Rorick chuckled and leaned his tip forward, begrudgingly letting Greg's cock slide out of him. He rubbed his cock for some more pre, slid in into Greg's mouth and used his paws to close Greg's mouth for a second.

Greg closed his eyes and moaned. The stronger scents and tastes were just incredible. Streams of hot sticky pre shot down his throat.

Rorick slipped out and panted. He quickly sunk back down on Greg and started fucking. Pumping Greg's cock deep inside him. Its warmth shooting hot pre heating Rorick up from the inside.

They were both panting and drooling as the paced quickened.

Greg's cock continuing to grow more. No longer 6 inches, but 7, 9, 10! So thick around and visible with veins! Greg stared at Rorick's bouncing cock as he rocked himself up and down Greg. Rorick's huge balls slapping against his stomach.

Rorick got a surprise as Greg's started thrusting into him! It was such a welcomed delight feeling Greg's balls push up against him.

Greg closed his mouth and panted louder. Damn he was close and wanted that knot in.

Rorick understood and started thrusting down harder and faster. His balls rocking up and down faster. His ass finally and painfully stretched around Greg's engorged knot. With a loud slurp it slipped in!

Rorick took a deep sudden breath and felt his own balls tighten. Greg wasn't going to that go to waste again and found the strength to shoot his chest up and take Rorick's huge cock in his mouth.

Rorick shot his eyes open, wrapped his paws around Greg's head and blew his hot sticky load into Greg. He shoved Greg's head as close as he could and pumped his cock.

Feeling Rorick tighten around his huge rod, Greg snorted and shot his own white now canine cum deep into Rorick. Rorick's pulsing body milking him for absolutely every drop. And Rorick's own cum stuck in his throat, that thick musky scent filling his whole being.

Rorick sat down on Greg's lap, and Greg growing tired let Rorick's cock go, letting it drip more juices onto his chest fur, and laid back down. They sat there in bliss, panting together.

Rorick let out a much needed contented sigh. He knew he wasn't going anywhere anytime soon. He leaned forward resting himself on Greg, closing his eyes and focusing on that huge dick still pumping in him.

Greg felt Rorick fall asleep on him and felt himself drifting as well. His body still hurt, but having a soft cuddly beautiful wolf with him helped. He smiled and went back to sleep, dreaming of the amazing future now in store.