The first time Rick buried his face on Morticia's panties was an accident.

No really.

They were on Mexes-5 running from an angry mob because somehow they managed to screw with that planet's only clean water supply. https://twitter.com/stardustwhiskey/status/1276829639990636546

As fate would have it, that particular planet was also riddled with turbulent winds, strong enough to knock it's inhabitants off the ground if they weren't wearing heavy shoes to keep their feet rooted.

This was an advantage for Rick and Morticia because it slowed the mob

On the other hand, it was a pain in the ass to have to stop and Rick cover her with his weight every time a wind threatened to make them fly off in the air.

It was also a really really bad time to be wearing a skirt.

Rick groaned, when he saw Morty decelerate to pull her skirt down everytime the wind blew it suggestively above her knees.

"Fucking move it, Marilyn. They don't care about seeing your panties."

"But Rick-"

"What do you wanna keep? Your dignity or your spine intact, Morty?"

It was a miscalculation on their part to move in that moment because a wind swept Morty out of her feet, sending her rolling down the hill.

Rick jumped and caught her body, thinking of softening the landing when he and his granddaughter reached the bottom.

They tumbled down the hill, like Jack and Jill (lol) and as luck would have it Rick's face landed directly on top of Morticia's crotch. His nose buried in her yellow panties.

(I blame my excessive watching of Ranma 1/2 in my childhood for this cliché, okay)

Morticia closes her legs on reflex, trapping her poor grandpa between her thighs to inhale her scent. Rick didn't really, he didn't really intentionally sniffed for a millisecond before Morticia released his head and blushed in shame.

"We-uh we have to get going."

"Y-yeah."

They don't talk about it, of course. However Rick cursed the universe for putting that little idea in his head. It took him a week to accept that yes, maybe he had a thing for underwear. With that being said, he ordered used Viirian lingerie to indulge himself.

Now Viirians had a reputation to be the most erotic and fragrant vaginal fluids in the multiverse.

Rick was really supposed cum hard to oblivion with his purchase, but his uncooperative cock was limp on his hands, wanting something else entirely.

"Oh come on."

When he went through the family laundry looking for a familiar yellow panty, he was definitely not some nasty freak indulging his perversion.

No - he was doing it for science, righhhhht, science.

He just needed sample data to test his hypothesis.

When he spots it, his fingers move in the speed of light, hiding the item in his labcoat and running back to his room to leave the scene of the crime (lol).

He locks the door and activates the soundproofing shield just in case someone chose this unfortunate time to go in.

Rick takes the cursed item and observes it. It was nothing really exciting, just a panty with small print of flowers on it- HOLY FUCK IS THAT A WET STAIN-

It was in that second that Rick knew he was defeated. He scrabbled to open his fly and take his already hard cock out.

Rick stroked his cock furiously, a cocktail of shame and arousal pooling in the pits of his stomach. He finally lost it when he tried to lick that slick wet stain and tasted the flavor of Morticia's girlcum on his tongue.

He never came so hard before.

That was the story of the second time it happened.

Now the third, fourth, or fifth - oh fuck it, he couldn't count anymore because he was doing this thrice a week ever since.

He orchestrates fucking with the state of Morty's panties in creative but subtle ways.

"Morty, buddy, I'm sorry but we have to stay in this forest planet for three days. Oh you didn't bring extra clothes? That's too bad."

"Morty, why don't you have some more of that lemonade? Here let grandpa give you another glass."

"Morty, you really have to grind on that Wex bull to make him run faster. Yeah, just like that. Keep those thighs tight so you won't fall off in the ride."

And it goddamn worked everytime. Sometimes her scent would be strong, sometimes there were trace amounts of piss-

Rick was like a man addicted, and everytime he got what he wanted it only spurred him on to take more and more.

It got worse overtime, especially when he couldn't help but think how fucking hot would it be if Morticia was still wearing them. Jesus.

Now that thought was in his head, that pondering became obsessing.

Of course he didn't know how the girl would feel about the whole thing so... it wouldn't hurt her if she didn't really know about it right?

Right?

Yeah, right.

Rick didn't hesitate when he put a small dose of sleeping serum in her drink at dinner to knock her out.

He feigned disinterest, as he sat on the living room couch and watched interdimensional cable, listening in on how Morty bid her mom goodnight because she was feeling sleepy.

He took deep breaths, willing himself to calm down. Rick's cock was already tenting in his pants at the idea of Morty laying dead to the world.

He planned to wait after midnight but holy fuck, he already lost his patience yesterday.

Throat clicking on a swallow, Rick was enchanted by the sight of Morticia's sleeping, no, defenseless figure buried in her sheets.

Her laptop was haphazardly put away at the end of the bed, sitting there inappropriately.

Shit.

Could she have been masturbating?

He grasped to remove the sheets off of her, exposing the titillating sight underneath.

Rick bit his lip to stifle a moan when he saw Morticia's fingers buried in her panties, probably passing out after she fingered herself to completion.

Rick can't fucking take it anymore so he opened his zipper, not bothering to wear briefs underneath, and took his cock out to stroke while he positioned himself between Morty's spread legs.

He grabbed her wrists first, running his tongue over those slender fingers, tasting her.

He moved on to greedily lap on that particular wet spot. He was fucking teasing himself before the main course.

Rick heard Morty breathlessly whimper from above because of the stimulation but he didn't dare to stop.

He slipped Morty out of her white panties and kept them in his pocket, before he dug in headfirst to tonguefuck his granddaughter's little cunt.

He fucking hoped his mouth was the first to run over this pussy because if someone already did they would fucking die.

Morty was his, and his alone. No one's going to fucking touch her like this, eat her pussy out like this.

The girl inevitably woke up when she felt those tight grips on her inner thighs and the warmth between her legs.

Rick felt a hand on his hair, whether it was to pull away or push him further he didn't know because he wouldn't stop regardless.

"Who? Oh my god, oh fuck-" He heard Morticia moan helplessly from above.

"Rick! Shit, no, no, please-"

He whipped his head out, swiping the cum that covered the outer corners of his mouth with his fingers and licking them.

"Fucking no, Morty? You're over here leaking like a goddamn faucet and you're telling me 'no?'"

Rick growled in satisfaction as Morty threw her head back when he shoved two fingers inside her cunt and twisted them roughly.

"Grandpa, please," she sobs fisting the sheets.

"You fucking like this as much as I do, Morty. You can fucking push me away anytime you want-"

"baby, but we both know you want to cum while being tonguefucked by your own grandpa."

It was a really huge gamble - a really big bluff but Rick viciously hissed when he saw Morty's head nod a little in assent. Fuck, the little whore wanted this too.

He manhandles her to sit up, taking the bottom of her nightgown to make her bite into the silk. Rick collapses on the bed and Morticia meekly straddles his stomach in return.

"Now here's what you're going to do, baby. You're gonna take that pussy and ride my face-"

make yourself cum on my mouth. Do you understand?"

Morticia, the little shit, just stares at him, probably processing the events of this night. Rick impatiently slaps her thigh, "I said do you understand, Morty?"

"Y-yes, Rick."

Rick secures Morticia's thigh between his head, using his strength to trapped her in her position.

The fingering only made Morty's slick gush further and he chased that smooth pussy slick to its source. Morticia screamed and grinded down her hips to rub on that talented mouth.

Rick heard her whimper when he finally thrusted his tongue inside. He fucked Morty til tears streamed down her cheeks.

"Rick, fuck Rick, I'm gonna-"

He violently pressed her down further as she released inside his mouth, swallowing down her girlcum.

Morticia collapsed on top of him, bone-tired and limp. Rick held her cute little head and kissed her deeply, making her taste herself on his mouth.

He bit her lip in victory, fucking knowing that they're both hooked.

(-end-)

WHEW WHAT A RIDE (LITERALLY)

If you got off on this, please expose yourself in the comments you nasty motherfuckers

Bonus points for them developing a kink for this and doing this scenario: https://twitter.com/ohoblivious/status/1276910999052996608?s=19