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Lost in his thoughts, Peter startles when the shower curtain clatters open and MJ steps in behind him, naked. “Did you really think you could just run out in the middle of a fight to shower ?”

“Come on, give me a break, MJ. It's been a really long day, and, like, a hundred degrees out there. I'm sweaty and dirty.”

He catches the way her eyes slide up and down his body, watching the water splash against his chest and following the foam that dribbles along his neck and down to his legs. The conflict is obvious in her face as arousal and anger make her cheeks flush and her brows knit in frustration.

With a smirk, Peter turns around as if she's not there and starts washing his hair, letting his biceps bulge as he runs his fingers through his soapy hair.

Annoyed that he’s ignoring her, MJ presses her wet and slippery breasts against his back so he can feel the aroused tips against his skin. Still facing away from her, Peter bites his lip, trying to ignore her as he continues showering.

When her fingers start to dig demandingly into the muscles down the sides of his torso, he gruffly turns her around to face away from him and spider-sticks his feet to the tub floor to brace himself. MJ spreads her legs to match his footing and looks back at him over her shoulder with a challenging glint in her eyes.

Peter pulls her hips back towards him and sinks into her, eliciting a deep moan from her. Despite the strain and tension between them, their bodies still fit perfectly together, and he slides his hands appreciatively along her wet curves.

“I'm… still… mad… at you!” she grunts between each thrust. “You can't… always... fuck your way…out of a fight with me… ”

“I’m trying my best to, though,” Peter replies breathlessly, reaching around to play with her clit. The sound she makes is nearly enough to make him cum immediately, but it's the way she starts bucking wildly against him that is going to ruin him.

“Fuck, don't stop. Please, don't stop, I'll do anything... just keep fucking me please, please, please!” MJ gasps, smacking her hand repeatedly against the tiled wall. “Oh, Peter…!”

That's it. He can't hold back any longer, not when she was squirming on his dick like that. With a light warning smack on her right butt cheek, Peter speeds up and starts driving himself into her relentlessly. He lets the frustrations from earlier that night—not just with MJ but all of it—coil in his gut and build until he can’t hold it in any longer.

His senses become an incomprehensible blur of noises and colors so he tries to focus on one thing at a time: the hot water hitting his back, the sounds of their fumbling echoing in the bathroom, her perfect ass bouncing against his hips.

Every muscle starts to clench and her thighs begin to quiver. When he feels her flutter and tighten around him, Peter quickly pulls out and lets his cum spill down the shower drain.

The impulse to reach out for her and take her into his arms seizes him for a moment, but he manages to resist it. She doesn't want tenderness when she gets like this; only gruff, demanding pleasure.

“Sorry!” MJ gasped when she realized what she’d just done, and took a step back from the masked vigilante.

Maybe it was the adrenaline from her unexpected brush with death, or some mix of gratitude and appreciation for how little Spider-Man’s suit leaves to the imagination. Or maybe it was because her piece-of-shit ex just broke up with her over text and almost got her turned into roadkill. Whatever. It’s been a crazy day.

“I don’t know why I…” she murmured, feeling her face get hot. “I guess I just wanted to thank you? For the saving-my-life thing. So, um, thank you.”

Instead of leaving like any sane person would, Spider-Man rolled his mask up over his nose and leaned in to kiss her again, directly on the lips this time.

“You’re very welcome,” he beamed, and MJ decided right then that his dorky little grin was her new favorite thing in the world--even if she couldn't see the rest of his face.

She also decided that saving her life had to be worth at least another kiss. Spider-Man seemed to agree, and soon he had her backed up against a wall, with her arms wrapped around his neck and her body burning and desperate for more.

MJ doesn't know when they went from kissing to her straddling Spider-fucking-Man while he reached under her shirt, rubbing and pinching her nipples until they were swollen and aching to get sucked. But she could feel him harden against her thigh, hot and throbbing through his suit, so she tugged her top over her head and asked him what he wanted to do to her.

"First, I'm gonna bend you over and fill this tight little cunt," Spider-Man said in her ear, reaching down between her legs to play with the edge of her underwear.

"And then what, bug boy?"

"And then I'm gonna make you cream around my cock."

So that’s how MJ found herself on her hands and knees for a complete stranger, with a pile of clothes and some red and blue spandex cushioning her against the cold asphalt of some rooftop in Queens.

He fucked her slowly at first, his hands greedily stroking her ass as she eagerly pushed back against each of his thrusts. Then he pulled her hair and began to fuck her even harder and faster, until her her ass was slapping against his hips, and the wet sounds only turned her on even more.

During their angry breakup exchange over text, her ex had called her an uptight bitch. But MJ is pretty sure an uptight bitch wouldn’t have let herself become Spider-Man's fucktoy like this, bent over with her bare ass in the air as she took his cock.

It just feels too good when he’s squeezing her ass as he moves in and out of her, spreading her cheeks apart to take in more of him before bottoming completely, then pulling out just enough to make her whine for it again.

Reaching down between her legs, MJ rubs her slippery clit until it throbs and she’s clenching around him.

A surge of mind numbing pleasure tears through her body, and Spider-Man makes good on his promise to her earlier. He keeps pounding into her from behind at his relentless pace, even when she cries out and bucks her hips against him, her entire body trembling as she rides out the last waves of her orgasm.

She knows he’s close behind her when he starts gripping her ass tighter, and she feels him throbbing as he comes. He keeps thrusting through his orgasm, using his hot load to keep pushing in and out of her and letting some of the thick cream go dribbling down her thighs.

"Just for the record," MJ pants, her legs still shaking as she comes down from her climax. “I don't fuck every superhero that saves my life.”

"Must be my lucky day then," says Spider-Man, giving her ass a last squeeze when he pulls out.