The Neuron Institute for Mutants had recently taken in a mutant who was given the name “Giganna”. Giganna was once an average young woman, but after a freak accident, she grew to a towering height. With her being deemed “especially dangerous”, the institute took quite a few special precautions in order to keep her from going on a rampage.

One such precaution was Rob, an unfortunate intern at the institute who was given the task of being Giganna’s “pacifier”, being there to give her someone to vent all of her frustrations onto. Rob of course wasn’t too sure about this role. He wanted to work at the institute to keep people safe, and while this job would indeed allow him to do so, he questioned his personal safety in the matter.

Regardless, he didn’t want to violate orders, so he accepted his daunting task and entered Giganna’s cell to find the giant woman, who was visually upset at her situation, and much to Rob’s embarrassment, completely nude due to her tailored outfit having yet to be finished. She was a rather attractive woman too, which only added to Rob’s awkwardness.

“Ugh, finally someone’s here! What the hell is going on?!” Giganna complained, confused and angry.

“Oh, they haven’t already told you? Well, I guess I can explain.” Rob said, surprised by her cluelessness given the institute’s usual protocols, “You have been brought to the Neuron Institute for Mutants due to a mutation that was deemed a threat to either yourself or the public.”

“Okay, but why the hell am I naked? And could I at least have a bed or something?” she replied, annoyed with the conditions she was in.

“Uh, well you see, we weren’t really prepared for a mutant of your, uh, magnitude, so we’re still in the process of setting everything up for you, but uh, rest assured that we’ll have everything prepared soon enough.” the boy explained, trying to maintain composure as Giganna's imposing figure loomed over him.

“Oh right, I almost forgot to introduce myself! I’m Robert Johnson, though you can call me Rob if you’d like.” he continued explaining, “I’m tasked with serving as your “pacifier”, as they put it. Basically, I’m here to help you vent out your frustrations, so I’ll be here whenever you need me.”

“Vent my frustrations? How so?” Giganna asked, a bit intrigued.

“I was told that you’re basically allowed to do whatever you want with me as long as you stay in your room.” Rob further clarified, quickly realizing the implications of what he said, “But, uh, please try to be gentle.”

“Whatever I want, huh?” the woman asked, having some devious ideas, “You work for this institute, right?”

“As an intern, but yeah. Why-” the boy replied, getting interrupted by Giganna’s hand wrapping around his body and lifting him off the ground.

“So you’re partially responsible for getting me trapped here, right?” she continued asking.

“Well, uh, n-not really. I’m not part of the detainment division.” Rob tried to explain. Unfortunately for him however, Giganna wasn’t too moved by this.

“Doesn’t matter. If you’re going to keep me as your prisoner, I’m going to keep you as my prisoner, and since I’m allowed to do whatever I want with you, I might as well use you to have a little fun.” the giantess said as she pulled Rob behind her, revealing her massive, shapely backside to the now terrified boy.

“M-ma’am? What are you-” the boy asked, only to be interrupted once again, this time by the giant woman taking his body and shoving him face first into her asshole, leaving only his thin legs exposed to the outside world.

“Enjoy being my “ass-cifier”, or whatever you called yourself.” Giganna said to Rob as his body was crammed in the dark, damp, and very smelly confines of her anus. At first he tried to break free, but quickly he realized that if he were to fall out he’d probably plummet to his death, so instead he cried for help, hoping for mercy.

“You said I’m allowed to do whatever I want with you, so you’re staying in there until I say so!” the giant lady said as she felt Rob’s pathetic screams in her ass, “Oh, but don't worry though, I’ll at least make sure you have lots of air in there.”

PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRFFFFFFF
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPTTTTTTTTTTTTTTTTTTTTTTTTT!!

Right on cue, Giganna let out a powerful blast of gas onto poor Rob, making sure to hold a finger up against her asshole to prevent him from flying out of her ass. Instantly, Rob was overwhelmed by the stench, coughing and gagging uncontrollably as his airspace was filled with the toxic gas.

“Damn that felt nice.” Giganna said as she farted on Rob, feeling satisfaction and pleasure from Rob’s suffering, “And whether you like it or not, there’s a lot more where that came from!”

PPPPPPPPPPPPPPRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRMMMMMMMMMMMMMM
MMMMMMMMMMMMMMMMMMPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBTTTTTTTTTTTT!!

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MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPTTTTTTTTTTTTT!!

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MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPTTTTTT!!

“Ahh, I don’t know if this is what those institute guys had in mind, but I’m feeling better already!” Giganna said as she pulled Rob out of her smelly rear to check on him, “How about you?”

“Uh, well it’s g-great that you’re feeling better with your situation, b-but I’m not exactly sure this is the best way to use me...” Rob tried to explain between coughs, quite shaken up by the way he was handled.

“Oh, so now you’re trying to tell me what to do? What happened to “you’re basically allowed to do whatever you want with me as long as you stay in your room”, huh?” Giganna asked with annoyance.

“I-I was just trying to suggest some other way to-” The boy desperately tried to clarify, before being slammed onto the floor by Giganna.

“Listen, little man, I know what I want, and you’re going to give me what I want.” the giantess said as she dropped herself ass first onto Rob’s body, once again trapping him in the smothering crevice of her crack, “Ahh, now suffer!”

FFFFFFFFFFFFFFFFFFFFFFFFFFFFRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR
RRMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPTTTTTTTTTTTTTTTTTTTTT!!

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RRRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMTTTTTTTTTTTTTT!!

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RRRUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPTTTTTTTTTTTTTTTTTT!!

“Whew, I don’t blame you for struggling, these farts are awful!” Giganna said as some of her gas reached her face, smelling a fraction of what poor Rob had to deal with. Still prioritizing her sadistic desires however, she threw in a bit of grinding and wiggling just to add to her plaything’s suffering.

PPPPPPPPPPPPPPPPPPPPPPPRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRROOOOOOOOOOOOO
OOOOOOOOOOOOOOOOOOOOOOOOMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPTTTTTTTTTTTTTTTT!!

FFFFFFFFFFFFFFFFFFFFFFFFFRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR
RRRUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUMMMMMMMMMMMMMMMMMMMMMMMMMMMMPPPPPPPPPPPPPPPPPPPPPPPPPPTTTTTTTTTTTTTTTTTTTTTTTTTTT!!

BBBBBBBBBBBBBBBBBBBBBBBBBLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLOOOOOOOOOOOOO
OOOOOOOOOOOOOOOOOOOOOOOOOOMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFTTTTTTTTTTTTTTTTTTT!!

The enjoyment Giganna got from torturing her assigned passifier almost made her forget she was trapped in a prison for what would most likely be the rest of her life, at least at the moment. She loved the idea of having a tiny man completely at her mercy, and while this wasn’t exactly what the institute had in mind when they assigned this job to Rob, they were quite satisfied with the results as well, even though they couldn’t help but find the whole thing gross. Rob however was not pleased, but due to both contractual obligations and a lingering desire to keep others safe, he couldn’t quit this unfortunate role of his.

After about a week, the institute had completely set up Giganna’s room, giving her all of the usual equipment given to those held there, including a few tailored outfits. Even with all the luxuries granted to her however, she still kept Rob with her, never really toning down the torment she gave him.