BREEDING THE EARTHLING
Chapter Three
"Bocci," Professor Tok motioned toward the back of the class, "please approach and mount the subject."
A hulking, shaggy form detached itself from the crowd, padding forward on digitigrade paws that clicked against the smooth floor. As it emerged into the light, Juro beheld a creature straight out of myth - a humanoid form with the unmistakable features of a canine. Pointed ears swiveled atop a large head with a protruding muzzle. Bocci stood upright like a man, but was covered in a dense pelt of mottled grey and white fur.
The doglike alien loomed over Juro's splayed form, its great barrel chest heaving with eager pants. A long, pink tongue lolled from its jaws, dripping strands of saliva onto Juro's trembling skin.
"Remember to prepare the subject before penetration," Professor Tok instructed. "Olfactory stimulation and external lubrication will ease the passage."
Bocci gave a rumbling growl of acknowledgement. The beast lowered its shaggy head, pressing its damp snout between Juro's spread cheeks. It inhaled deeply, huffing and snuffling at Juro's most intimate area. Juro squealed and writhed in mortified protest, but his restraints held him fast, leaving him no escape from the alien's shameful inspection.
Seemingly pleased by Juro's scent, Bocci began to lap at his twitching hole, the broad tongue slathering the puckered flesh with wet swipes. Juro gasped at the foreign sensation, electric jolts of unwanted pleasure zipping up his spine as the slick muscle probed and wriggled past his rim.
"Ah yes, excellent technique," Professor Tok praised. "The Fido race's saliva glands produce a viscous lubricant with arousing and relaxing properties. Thorough oral preparation will make the breeding process easier."
Bocci growled its understanding, the rumbling vibrations traveling straight to Juro's core. The beast continued its sloppy ministrations, tonguing Juro open with obscene slurps and satisfied huffs. Juro could only moan and shudder, his body growing lax and pliant despite himself under the relentless stimulation.
Eventually, Bocci pulled back, its chops glistening with slick fluids. The alien beast rose to its full imposing height, caging Juro's splayed body beneath it. Something hot and heavy slapped against Juro's belly.
Juro lifted his head to look down and immediately wished he hadn't. Jutting out proudly from Bocci's furred haunches was a straining red cock. Nearly as long as Juro's forearm and as thick as his wrist, the tapered tip drooled clear precum.
Bocci fisted his shaft, giving it a few rough pumps as he lined himself up with Juro's entrance. The head prodded at the opening, painting it with musky fluid.
"P-please," Juro stammered, trying to wriggle his ass away from the weapon aimed at it. "It won't fit!"
Bocci just laughed, a harsh, barking sound. He gripped Juro's hips in his clawed hands, claws pricking against vulnerable skin as he yanked the human flush against his groin.
Juro screamed, head thrashing against the table as he was impaled like a pig on a spit, split open by creature's cock. Despite all the stretching and preparation, it still felt like he was being torn in half, his tender opening penetrated and forced wide around the alien's prick.
Bocci groaned in satisfaction and started to piston in a ruthless rhythm. Each thrust slammed against Juro's prostate, battering that tender bundle of nerves. Pleasure and pain surged through his ravaged body in sickening waves.
Bocci rutted into Juro with animalistic abandon, his heavy balls slapping against the human's upturned ass with each brutal thrust. Juro could only lie there and take it, his body rocking back and forth from the force of the alien beast's thrusts. Drool flew from Bocci's lolling tongue, splattering Juro's face and chest as the beast grunted and growled above him.
Professor Tok observed the breeding dispassionately. "Notice how Bocci's penis has a tapered tip to facilitate penetration, but then widens at the base. This is a common feature in canid species. The swell of tissue is called a knot and serves to lock the mating pair together to ensure successful insemination."
As if on cue, Juro felt a painful stretching deep inside his abused channel. It felt like a fist expanding in his guts, pressing mercilessly against his tender walls. He wailed in agony as his rim was forced impossibly wider around the growing bulge at the root of Bocci's cock.
"Ahh yes, he's starting to knot," Professor Tok narrated with clinical fascination. "The knot can swell up to twice the width of the penis itself. This ties the male inside the reproductive channel, preventing him from withdrawing until his seed has been fully expelled. It also provides constant stimulation to the mate's internal erogenous zones."
Juro sobbed brokenly as the knot reached its full size, locking him in an unbreakable fleshy tie with the rutting beast. His hole clenched and spasmed weakly around the massive intrusion, walls fluttering in helpless submission. He felt impossibly full, stuffed to the point of bursting. The unyielding pressure against his prostate sent revolting sparks of pleasure arcing up his spine.
Professor Tok continued his lecture as if Juro wasn't being split apart before his very eyes. "Each of you comes from a species with unique reproductive anatomy and techniques. This diversity ensures genetic compatibility with a wide range of hosts. Over the course of the breeding program, the subject will be exposed to and seeded by all of your varying traits to maximize the chances of successful fertilization."
Chirps and clicks of anticipation echoed through the room.
