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With the added pleasure the dr could no longer hold back and made a final thrust inwards, injecting copious bull seed into the muscle bound lynx.

Anal, Bull, Hyperphallic, Inflation, Lynx, M/M, Muscle Growth, Oral, Swallowing

Fun on the Farm

He wasn't sure what was in that injection, but it had completely sapped him of his strength.

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Contractual Obligations

Then he sat on the edge of the bed, trying to count just how long it'd been since the injections.

F/solo, Gender Shifting, Horse, Masturbation, Mental changes, Transformation

The Curious Experiment

"well you did assure me that the reaction to the gene injection is akin to a cold," director crocker mused. "indeed," said hart. "it is the third day after the injections and it does indicate that the gene implant is taking hold.

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A Peculiar Prison

"each of those studs contain a fraction of the fluid you were just injected with. if you disobey an order or have your chain tugged you will hear a pop as one of the studs is cracked and injected through your neck.

Anal, Dragon, M/M, Male lactation, Milking, Muscle Growth, Muscles, Non-Consensual

The Healer's Choice

“and so for females the solution is an injection straight into the womb.”

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Pet & Owner

But with the injection, all i could manage was a muffled incoherent... "..mmffgg?" he ignored that and went on.

Castration, Human, M/M, M/M/M, Training, Wolf

Latex Story: A Latex Toy

From what little he could see, he could see his cock trembling, dancing, almost twitching as the injection started to take effect.

Anal, Bondage, Chastity, Latex, M/M, Snow Leopard, Transformation, Wolf, sounding

Syngeneia Kathairein part 43

''you must inject this into your bloodstream,' says igor. '' the poison will work quicker if you inject it directly into your blood.'' you say "you do it, i mean, come on." igor gives you a look. ''what if i prick myself? just jam it in!

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The Fox's Dragon Dildo

He'd been injected with some sort of aphrodisiac, and this scared him even more.

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Aaron's Present IV: Aaron's Revenge

He went back downstairs to the sleeping otter and gently gave him the injection. the otter was so knocked out by the blowjob that he didn't even wake up, but aaron didn't mind. he watched as cory's cock and balls started shrinking.

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Serenifi: The Movie: The Remake: Prologue

She then took out a syringe, and extracted a reasonable amount of the buljimax, before injecting it into the semen which immediately turned light-green.

Fifi la Fume, Lexi bunny, Serenity coyote