Ramirez Trapped
A tentacle pressed against her urethra and wiggled its way in, stretching the small hole and working its way up, it spurting goo as it went. she gave a muffled cry from the insertion. strange and new but the feeling soon dissolved into more pleasure.
A Backyard Visitor 2: Slugs in the Tub
While the first slug that had entered him and slimily wormed its way down his urethra had been purely accidental, the second had been a successful experiment to see if he could replicate his first slug encounter; seeing and feeling the mollusc eagerly penetrate
Voodoo Doll Shenanigans
penetrating deep within me and worming into my cum-filled depths, it massages and writhes inside in a way i can't describe.
Hidden World: Rituals of the Leteuya
M'taro holds onto n'golo's shoulders as the snake continues down his urethra, followed by the rest of its body, slithers against his prostate, and penetrates into his bladder.
The Stall (Sounding/Catheter)
His voice echoed huskily as his hole was penetrated by the toy. "inserting."
Artifacts, Chapter 4, Toys
She thought as over eight inches slid into her hot wet sex, she'd felt a brief moment of discomfort and what almost felt like she was being penetrated again, and realized in amazement her cervix was being penetrated as well, that had never happened
Fucked Into Bed
Tags: avali, tentacles, slime, penis milking, multi penetration, ear penetration, aural penetration, rubber, encasement, mind breaking, scifi many different creatures and critters were going about their business in an alien planet's jungle, living their lives
With This Hoard, I Thee Wed
Any discomfort from having his urethra penetrated was soon eliminated as his cock was brought to its full girth. in short order, it seemed to grow beyond that, as though being pumped full of fluids in its own right.
"Spelunking Gone Wrong"
There was a sudden piercing pain burning through his shaft as something penetrated him there. the tentacle engulfing his cock had sprouted another, somewhat thinner tentacle that rammed down his urethra, spreading it wide open.
You know the wax rind they have on some varieties of aged cheese? That but it's a pun about furry smut
The goo slowly absorbed his seed as it slid deeper, the balloon shrinking down and his urethra getting cleaned. he began to writhe on the carpet from the intense feeling of having his shaft penetrated, his blush almost visible even through his fur.
Blunder of the Mother Lode
He could see her walls expand with ease, her muscles relaxing for better ease of penetration, only to jiggle and rumble with each movement and breath.
"The Mistake" - Story by Kaz
One time he even let one dry up in his urethra, until the poor human was nothing but jism covered bones.