The Tiger and His Monkey Pet
Ravi was clearly a young member of his species, but his crotch confirmed that he was sexually mature, and he was clearly enjoying the situation, beyond the influence that the tiger's smell might have had on his mind.
Alchemical Shortages
His forelegs have fully grown in, his great rump twitching and quaking as a hump above his smoothly scaled anal vent is growing outward, blessing him with a tail that will rank his length with that of a young adult drake, one on the cusp of sexual maturity
OR: Gnolbolds
They also reach sexual maturity after a year and become full-fledged adults around 18 months.
Diary of a Furry and Would-Be-Werefox Sufferer, Entry One
At some point during this transition, amidst sexual maturation, masturbation, and angst--i got introduced to the therianthropy subculture on the internet. that is to say--the ass end of what was already the ass end of human society.
On Candy Snakes: A Study of a Rare Species
Candy snakes reach sexual maturity around two years of age, but do not reach fertility until three years. within this window, parents mate with their children, very often claiming their virginities in the process.
Eddie's Pokemon Adventure: The Safari
They were clearly both very young, possibly only just of sexual maturity, as it was pretty clear that they were almost done.
Don't Fence Me in - Chapter One - An Unexpected Gift
Caleb knew, then and there, that jess was no longer just his sweet, naieve young doe, who he had raised from a very young age - but a full grown young doe - who was feeling the start of her sexual maturity - albeit much younger than she should have been -
Like a Moth to a Flame
At fifteen years of age, the dragon had reached sexual maturity. he had started to feel... urges. urges he could not very well ignore. "i am sierra. who are you?" she asked, patting a spot on the blanket for him to lie down next to her.
A Single Shade of Gray
I knew that if i waited until she was sexually mature, then i might as well try it with her mother now. that wasn't going to be happening. even if it did, i might as well be screwing a drain pipe for the size of her anatomy.
The Guardian
Normally a year or so before they came into sexual maturity they were given playmates from some of the lesser guardians so they could breed that creature and have some sort of outlet.
King Arthur's lesson in mating
"that means you have grown into sexual maturity, your first step into adulthood. now you might have noticed that you don't have your penis out, that's because it is hidden inside the sheath between your legs, for protection.
Jeremy 026; So You Say Its Your Birthday
She dismissed it as the typical beginning of sexual maturity. he'd been told before but she reiterated the distinction again. dominants matured slower, so he was only now seeing his hormones beginning to make their presence known.