Vanessa was sitting on the couch on her phone, with her unfortunate stepbrother Max stuck sitting on the floor in front of her, locked in place by her thick legs. It was a typical Saturday afternoon for the siblings, with Vanessa relaxing at Max’s expense. That was until their mother Valencia angrily called out her daughter.

“Vanessa Valentina!” The woman yelled out.

“Yeah, what is it?” Vanessa replied casually, not really registering the fact that her mom was upset with her at first as she wasn’t quite used to her mom being upset with her.

“The school sent in your grades, and I’m not happy.” Valencia explained.

“Why’s that?” Vanessa asked, not really used to her mother worrying about her performance in school.

““Why’s that”? Your grades are worse than ever! Even Max has better grades than you, and he’s in those smart classes!” Valencia continued to explain. Hearing this, Max let out a quiet snicker, which Vanessa heard him and let out a fart towards him in response, blowing his hair forward in the process.

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“Well duh, Max is a total nerd! Unlike him I actually have a life!” Vanessa complained, using this situation as an excuse to put down Max as per usual.

“Fair, but I want you to be successful, so you’re going to have to try a little harder in class.” Valencia commented.

“Ugh, fine.” Vanessa mumbled.

“Vanessa! I don’t appreciate you talking back to me.” Her mom replied, “I think I’m gonna have to give you a little discipline for once.”

Hearing this gave Max a brief moment of satisfaction. “For once Vanessa would get what she deserved”, he assumed. Unfortunately, the punishment his stepmother had in mind was not at all what Max had imagined.

“So I’m keeping Max with me for the rest of the week.” Valencia said as she forcefully grabbed her stepson out from under her daughter’s legs.

“What?!” Max cried out, fearing the worst from his stepmother.

“It’s nothing personal Maxie, I just don’t want you distracting your sister, you know?” she said as she carried her small son to her bedroom. Knowing how cruel Valencia was however, Max had a bad feeling about this.

Once the two arrived in the master bedroom, Valencia threw her small stepson onto her bed. Looking back at his stepmother, Max noticed that she had taken off her pants, revealing her thong, a naturally mortifying sight for the boy.

“Now listen here little man, I get that you’re probably innocent here, but I’m kinda in the mood to punish someone. Surely you’ll understand.” Valencia said insincerely, using this situation as an excuse to torment the poor boy, just as he expected.

“But why-” Max tried to object, but before he could do so, his sadistic stepmother slammed her thong covered ass onto Max’s face.

Max’s nose was practically pressed into his stepmother’s asshole, as there was nothing but a thin strap protecting him from direct contact. The smell was already overwhelming for the poor boy, and despite having spent the last several weeks of his life having the fact that he’s “weak and pathetic” rubbed in his face like it was a smelly ass, Max made an attempt to push away her massive ass, mainly out of instinct.

“Aww, Maxie! It’s so cute how you still think you can fight back.” Valencia remarked as she noticed Max squirming uncontrollably under her, “I would have thought that you would have realized that my big ol’ mom booty was too much for you by now.”

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“Ahh. Either way, I have no interest in going easy on you, though you’re probably used to that by now.” the cruel stepmother said as she farted up Max’s nose, burning his senses instantly.

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“I know you’re probably wondering why I’m not just punishing Vanessa like this, right Max?” Valencia commented. Having dealt with Valencia before, Max figured that he already knew the answer, but regardless he gave a muffled reply.

“Well obviously I’m not going to treat my daughter like this. That would just be cruel!” she joked, rubbing in the sheer apathy that she felt towards her new son.

“Though now that I’m thinking about it, I’m feeling a bit merciful today, so here, I’ll let you take a breath.” Valencia said as she leaned forward. Max had a feeling that this was a trick, but being so desperate for any remotely fresh air, he took a deep sniff, which Valencia took advantage of by pulling her thong strap to the side and letting out a long fart for him to suck up.

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“Pfft! I can’t believe you actually fell for that! Like, I thought you were supposed to be smart!” Max’s sadistic stepmother mocked immaturely as she slammed herself back onto Max’s face, this time pressing his nose directly into her asshole as she hadn’t let go of the strap as she sat down. Exposed to the pure unfiltered stench of Valencia’s ass for the first time ever, Max let out a powerful screech that was all but absorbed by her thick cheeks.

“Heh, that tickles!” she responded, taking pleasure in the poor boy’s misery.

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“Whew, I can’t blame you for wanting to break free. My butt’s an absolute monster!” Valencia said as she playfully wiggled her rear after continuing to fart up her meek stepson’s nose, “Still, punishments are punishments, even if you're not really the one I should be punishing.”

Max was in absolute agony, and all the while his cruel stepmother continued to mock him. The worst part however was the fact that there was absolutely nothing he could do to get out of this horrible situation. He was completely at her mercy, and she was far from merciful.

“Oh, and just a heads up, since your dad’s on that business trip, I’m thinking about spending the night with you, if you're fine with that.” Valencia commented, terrifying her stepson with the prospect of having to spend an entire night under her as. Naturally, Max started flailing, desperately hoping for her to consider his feelings for once, which was unfortunately as pointless as he expected, “On second thought, I don’t really care what you think.”

“Anyways, I think I’ll take this time to relax a bit. Maybe do some reading, or something.” Valencia said as she laid back and grabbed a novel left on a nightstand beside her bed.

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As she read through her novel, Valencia’s gas continued blasting Max’s face even as she stopped paying attention to him. As time went on she practically forgot he was stuck under her massive ass altogether, and as the weak boy started to run out of energy, Max eventually submitted to his stepmother’s powerful ass, too exhausted to continue his hopeless struggles.

“Oh right, I completely forgot you were down there!” Valencia said after a few hours of reading, remembering that she had left her stepson trapped under her gassy ass for the whole evening.

“What’s the matter? All tuckered out?” she asked as she leaned off of Max’s face, looking back to see the boy barely conscious after having to take several of her horrible farts to the face.

“Well that’s fine with me. To tell the truth, I’m feeling rather sleepy myself.” Max’s stepmother said as she began lifting up her covers. Max immediately knew what she was planning, but having been completely broken, there was nothing he could do but accept the inevitable as the cruel woman laid back down, once again smothering him with her ass.

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“Ahhh, nighty night Maxie!” Valencia said as she once again farted up Max’s vulnerable nostrils, deciding to leave him trapped under her rear for what would likely be the entire night.

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As his cruel stepmother fell asleep, Max was left to suffer beneath her. Without any way out, Max wept to himself as he suffered the consequences for something he wasn’t even responsible for, all while Vanessa got off mostly scot free.