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(Medical Experiments, continued by Nillus...)

You decide you’re happy right where you are, and after a few more thrusts, you bury yourself deep inside Jenny and let loose a torrent of cum.

“Wait… but… you can’t…” the nurse says as she realizes just what you’re doing.

With a groan from both of you, you pull yourself from her pussy with a pop. To your dismay, you remain just as hard, if not harder, than before.

“Oh god, this thing is starting to hurt, what the hell am I gonna do?” you ask.

“I dunno. I could call Doctor Mandy?”