Pain and Pleasure
He could feel his internal testes churning as his orgasm welled up, cock throbbing hard as he prepared to shoot his load... but it never came.
Business Deal With a Tribrid - By Danath
His very productive internal testes kept a steady flow of thick, gooey pre-cum going, lubing their insides as they went. darl's moans went silent as sam pulled on his mane, tugging his muzzle down for a kiss. alek watched, one brow lifted.
Bound by Destiny 13
Having gotten more of tenchi's genes, kari sported a reptilian erection with internal testicles. tenchi proudly smiled as kari slid down into the warm bubble-bath with her mother, "you truly became beautiful, kari."
Really Rather Disproportionate - Chapter 2
He felt it then, a wash of pulsing pleasure as his prostate was stimulated from within, then the worms made their way to the internal testicles that all males of his species had. pain.
Winter Mates
Her tunnel did not just stoke him as it clamped, massaging his underside, coaxing his seed with mouth-watering contractions, but it seized him, made his internal testicles churn. her pussy drenched his cock in slickness and his mind in ecstasy.
Much Needed Relief
Finally galon felt his pleasure being to wane as his internal testicles depleted all their fluids. his phallus twitched a few more times, and then he slumped down against zilarin, who was also coming down from her high.
A Foxy Bitch
He massaged the area slowly, spreading pleasure through the eagles internal testicles. flire couldn't hold his pinnacle off much longer.
Collecting pokemon eggs (2) WARNING!!! Castration ahead
"you boys and your internal balls are always such a pain to neuter." he said kneeling down and putting the tool in place along the two buldges just under the tail. "normally i'd give you guys an anesthetic but since you caused so much trouble..."
The Fire Bar Day 1, Part 5
His shaft was so sensitive, his internal balls sore with need to release their load. he could feel renamon's seed, how his shaft was soaking in it, how his downward position was causing it to pool around the base of his shaft.
A Slaver's Debt (TDS side #1)
She whined needily underneath him, and he held her tight while his internal testes churned, abs tensing as muscles spasmed and went into overdrive.
Helping a Species Thrive
A dull pain in a strange hidden pouch next to his internal testicles reminded him of this need. he grunted, moving back to the entrance of his cave to try and find that rock he always used to attempt to quell the familiar discomfort somewhat.
Rosa's Guide to Poképhillia, Ch 4 - Skarmory
_rosa's log: at 14 inches long with internal testes, a skarmory penis might seem like it could cause trouble, but a mega-potion will help you get around it with ease. or rather, over it with ease.