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Language:
English
Series:
Part 1 of Sonic Adventure NSFW
Stats:
Published:
2026-06-01
Updated:
2026-06-06
Words:
13,220
Chapters:
27/?
Comments:
59
Kudos:
9
Bookmarks:
1
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790

Sonic Adventure NSFW

Summary:

A slice-of-life porn fic set after the events of Sonic Adventure. One pairing per chapter, chapters named for their included pairing. Contains vanilla M4F, M4M and F4F pairings with canon characters, with light sub/dom and dubcon.

Chapter 1: 1. Amy x Knuckles 1

Chapter Text

Knuckles is kicking back on Angel Island, guarding the master emerald he's sworn to protect. He hears some little boots clopping on the ground and a familiar voice approaching him.

Amy: Hey! I found you~!

Knuckles: *groans* Hi, Amy. If you're looking for Sonic, he isn't here.

Amy: I came to see you, silly!

She plops down next to him.

Amy: I thought you'd be pretty bored, so I came to brighten up your day!

Knuckles: You thought right. *he tilts his head back, resting it on the master emerald*

Amy: So let's have fun! What do you do for fun on “guard duty”?

Knuckles: Nothing.

Amy: Aw, c'mon!

Knuckles: That's the truth.

She pouts, her bouncy boobs jiggling in a huff.

Knuckles: I'm sorry…if you're looking for excitement, you came to the wrong place.

Amy: Hmm…

Amy looks around - the only thing on the island worth playing with is Knuckles’ well-toned body - Amy decides to take her shot and walk her fingers up his torso.

Amy: Mm…there’s one thing I can have fun with~

Knuckles: Huh?

Knuckles sees Amy’s half-lidded eyes wandering up his body. It's suddenly clicking that she’s not just a brat, but a cute girl. Her curves barely fit in her sweet dress.

Amy’s hand slowly drifts down his penis and cups his balls.

Amy: Mmm~

Knuckles: *Grunts* Amy…

Amy: Heh~

Amy starts massaging his balls, resting her head on his strong shoulder.

Knuckles moans, then starts stroking her quills encouragingly.

His dick fully hardened, Amy slides it in her hand and starts stroking it, nuzzling into his neck.

Knuckles: Mmm…Amy~

He kisses her while she jerks him, making her moan a little into their kiss. She speeds up her hand thrusting, before quickly taking her hand off and giggling at him.

Knuckles: Nh, c’mon, keep going!

Amy: Uh-uuh~ *She gets up and steps away* You’ll have to catch me~!

Amy starts pretending to run away, circling around the small island. Knuckles growls and pounces at her, grabbing her by the arms and pinning her to the ground.

Amy: Oh no~! Aah~!

Knuckles: What’d you do that for?!

Amy spreads her legs open some more, drawing attention to the compromising position he has her in.

Amy: I’m sorry, Knuckles~ *she whines* I wanted to have some fun~!

Knuckles strokes his hard dick as he pulls her panties to the side and begins to prod her wet pussy with his tip.

Amy: Ahh~!

Knuckles grunts and slides his cock into her pussy, pinning Amy down with all his weight. He groans, his dick throbbing inside the first cunt he’s felt in a long time.

Amy looks a little scared, but her eyes trail down to his manly body and she gets more heated. She wraps her arms around his neck and relaxes her body, allowing him to use her as he pleases.

He spreads her legs apart and thrusts into her, her whiny moans pushing him more into an animalistic heat. He fucks her harder and speeds up, fucking her into the ground as she holds onto him tighter and tighter.

Her pussy squeezes around his dick, making it twitch uncontrollably inside.

Amy: Ahhhhhh~!! Ohh! Daddy~!

Knuckles: What did you call me~?

He lifts her legs up and pounds her harder and slower.

Amy: Ahhh~! D-daddy!

Knuckles grunts, shoving his cock in her faster until he feels his orgasm brewing.

He thrusts once, deep, and forcefully kisses Amy, his cock spurting his cum deep inside his pink lover. They tongue kiss as he empties his balls inside, every last drop filling up the little mobian girl.

Knuckles lays on top of her, catching his breath. Unable to move under him, Amy nuzzles into his neck.

He rolls off of her with arms open. She curls up next to him and rests on his side, letting him stroke her back possessively. She kisses his neck and he kisses her head, and they fall asleep in each other’s exhausted embrace.