The Dragons Womb
With each clench, the tightness pushed further down her body, until it popped free and slid into her egg sac. she took a deep, desperate breath. the third egg was already moving.
Fresh Caviar (A Beastiverse Fanfic)
If you were the male, the egg sac on your body would be coated in sperm, fertilizing them and allowing the next generation to be born. as it is, you're just a warm spot for them to lay the eggs. you can't get pregnant by them."
Oviadventure
Thinking back on her first meeting with that heartless, aqua was left considering the way the heartless had mourned--there was no other word for it--the destruction of her egg sac. i made the right call, she thought.
Endless
sac.
Exotic Cargo
From what she could remember of the information on the creatures, it had just deposited an egg sac inside her, ready for fertilising.
Frazzies Beginning
They rushed forward past the turn boundary, and shot right into his partly developed egg-sac.
The Dark Fair, chapter 9: Leech Toss
~_later_ ~ twenty minutes and many spoiled orgasms later, the leech eventually slipped off kyle's dick, its egg-sac empty, leaving him with a twitching cock and a ballsack bloated with a multitude of marble-sized spheres. "umm..
Containment, Chapter 4 (Part 1)
Its body was a lot like a spider, aside from the bulging egg sac and dripping ovipositor that hung outside its body next to a set of spinnerets.
Ander - Chapter 5, Subchapter 49
It was like watching a giant, venomous spider crawling out of a pulsating egg sac... "if you can walk..." she continued, hoping that no one had noticed her brief stutter, "...then you go in the middle, too.
Belong to the Sea
Human flirting and getting her egg sacs fertilized sounded like a fine way to spend the rest of her vacation.
Alien Pain
The ancient ones had grown great hives from their bodies, becoming one, stretching themselves with it, and spreading great egg-sacs from their body.
A curse worth it's weight in gold.
I'm gonna make you a walking egg sac... mhn... s...so tight... uhn... i...i'm about t-to...!" he couldn't finish his sentence before he let out a loud roar, which was accompanied by strong throbs between his legs.