Fallen Kingdom, Fallen Human
For a moment, owen's alarm was minimized with the knowledge that raptors had internal genitalia. not that he wanted to change, as pleasurable as it was.
Pub Life Act I
He wore nothing on his upper body and very little on his lower body - not uncommon for scaled creatures or folks with internal genitals. "hey there gentlemen! my name's kiaki and i'll be your server for this evening. can we start you off with a drink?
Things are different from Earth
Kurt doesn't have too much to expose with his internal genitals and he quickly strips off his shirt and shorts. marty looks up and down kurt's red reptile body and says, "you're not shy at all." kurt replies, "i'm too curious where this is going."
A Tale of Two Kobolds, Chapter 4
Having internal genitalia and thick tough hide and scales was a definite advantage when you ran around naked most of the time, not to mention nasty fangs and claws.
A Chance Encounter, Chapter 2
That same strategy wouldn't work on reptiles though, so, hah, that was another advantage of having internal genitalia! stupid mammals! "whack!" and another one bites the dust.
Booty for the New Crew 3
You have my permission to-" he had to halt himself to grunt as he felt a long, powerful tongue pressing tightly against his prostate and internal gonads.
[DolphinSanity] Yes, Commodore: Chapter 2
A thing which cetaceans could often get away with in extremely casual settings, owing to their internal genitalia. within his head, the original teryx played back a memory of himself snorting in derision.
Claiming Dominion
His length started to pulsate and his internal gonads swelled before twitching and shooting a thick, hot mass of his load deep into ceylon's womb, his seed splashing against her walls and getting locked inside due to the plug that was his cock tip squeezed
Beating the Heat 0.3.5 (Pseudo-Complete Plaintext Version)
-sensitive: while women always have certain increased sensitivities during estrus as a result of vasocongestion due to physiological arousal (areolae, certain portions of the external and internal genitalia), some catgirls experience a general increase