Nature Study 1: Rape of the natural world?
Mating season was still half a year away but the subject had collected a large store of sperm causing his scrotum to be very low hanging and each testicle was as large as an orange.
Freighter’s Reward
It's not usually a useful thing for us to collect when we're doing a semen collection, but sometimes we can use it to check for certain diseases.
Splatfest
The spunk-soaked octoling nodded her agreement, shaking her head to dislodge a few strings of semen from her tentacles. "yeah, definitely. i should talk to callie and marie -- i think their ink collection room has a system that can do it."
The Experiment: Part II
Excellent data we have collected so far. your hormone reading were off the charts of our previous tests." dan and mark gaped at him. "so what's the big deal, doc?"
Pleasureful Freedom.
Do you have anything to collect your sperm in?" "yes, now please, quickly, serve me down under. i want to finish this meal too."
Earth's New Masters Part 7 Downward Spiral
A new character will eventually be introduced, an old man who was alive before the collective and lived through it, that will be able to tell the story of the days of the collective.
Boony's Super Deposit
Over a hundred large plastic tubs of cum were collected, and almost everyone in the sperm bank was dripping with his seed, as his orgasm had turned into an all-hands-on-deck situation of collection.
At Month's End
Like the rest of the favourites in my collection, he'd bought it with a suction cup on the bottom and a tube to squirt lube through - or when we were trying for our third cub, my husband's semen.
Repay your debts
It had started off as white, but soon took the same swirl of platinum and creamish-grey that the uncondensed cum collection had.
Vurrik's Bad Day
His hand scrubbed his cum-covered balls and squeezed his flaccid meat, scooping up a palmful of gooey spunk which he collected in a small flask.
48 Scratches
I have that mug of cum i collected last night... you may suck me and drink me, or you may drink the collected from before.
Gavin's Extraction
Gavin sprayed his semen into me a copious release, and the entirety of my vulva and birth canal rippled and seized around his shaft, milking him, mimicking the vacuum pump, drawing out his specimen for collection into my highly specialized tubes.