M Nidoking x M Rhydon

Story by Axel Silverwolf on SoFurry

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#8 of Pokemorph Sex Stories

A rhydon wants to learn about sex from his dad, a nidoking, and what better way than with a demonstration?

If you want a commission, feel free to PM me.


In a certain neighborhood, inside a particular house in the evening, was a birthday party taking place in a house.

"Happy birthday to you, happy birthday to you! Happy birthday happy birthday happy birthday to you~" Sang two of the occupants of the house.

A slowking, nidoking, and rhydon were sitting on a table, as the nidoking and the slowking sang, the rhydon waited patiently to blow out his candles, and when the time finally came, rhydon was all too eager to blow out the candles.

Rhydon was not at all what you would expect to look like considering his species were almost always burly and muscular, he was pretty much a gamer and never considered working out as a routine in his life, he has a pretty average build like that of a human, and pretty much a nerd for his part.

Nidoking was Rhydon's dad, he had supported and taken care of Rhydon through all his life. Nidoking was a single dad, one that you would expect to have a tank top and shorts on like what was currently happening with a big dad bod that sported a musclegut you would want to just bury your face in... Anyway, uh... Yeah, that's his dad.

Slowking on the other hand wasn't a blood relative or a brother or some such. He was actually Rhydon's boyfriend, and one that was quite patient with him throughout their relationship and was going to keep it that way until Rhydon was ready for pretty much anything he wanted and cared for him.

Rhydon closed his eyes and made a wish, before blowing the candles out with one puff.

Nidoking and Slowking clapped for Rhydon, as they sang him happy birthday.

"So Rhydon, what did you wish for?" Nidoking asked Rhydon.

"Yeah, tell us, did you want anything else in particular?" Asked Slowking, putting a hand on Rhydon's shoulder.

Rhydon laughed.

"Really, its no big deal, I have nothing else to want" Rhydon said.

Nidoking and Slowking were insistent though.

"Oh come on Rhydon, we're your family, we'll give you anything you want if we can" Nidoking said.

"Yeah Rhydon, we can listen to anything you want right now" Slowking agreed with Nidoking.

Rhydon gave it a thought and thought, why not tell them.

"Ok, I'll tell you two. I just want to make Slowking happy for all that he had done for me and supporting me. Same with you dad" Rhydon finally admitted.

Nidoking and Slowking felt a bit underwhelmed, but smiled nonetheless.

"Well you don't have to worry about that Rhydon, you've already made me more than happy ever since you agreed to become my boyfriend" Slowking said, hugging Rhydon.

Nidoking joined in and joked with them.

"You can make him happier if you gave him some birthday sex ;3" Nidoking said while winking at Rhydon.

Slowking stopped to give a worried look at Nidoking, while Rhydon just looked at him confused.

"Will that really make him happy?" Asked Rhydon seriously, looking up to wonder if that was a legit thing.

"Um..." Nidoking didn't think this through, Rhydon was so innocent but he didn't really think he'd ask that.

"Uh... Uh... Hey let's go eat a slice of cake!" Slowking yelled, taking a knife and taking a slice of the chocolate cake and giving it to Rhydon.

"Oh boy!" Rhydon said, forgetting about his question to Nidoking and happily munching on some cake.

Nidoking wiped the sweat off his forehead and horn, glad to have averted the crisis.

...

*Later after the party*

"It was fun Rhydon, I'll be sure to have much more fun next year on your birthday" Slowking told him.

Rhydon nodded cheerfully.

"And I'll be excited to spend your birthday at your house next time :D" Rhydon said as he gave a kiss on Slowking's cheek, making slowking blush and rub the back of his head.

"I'll see you tomorrow then" Slowking said, leaving Rhydon and Nidoking (who was by the front door) to themselves as he went home for the night.

Rhydon looked on as Slowking's silhouette slowly became smaller before turning around and going back home and passing by Nidoking.

Nidoking closed the door and looked at his son.

"Sorry if I couldn't give you exactly a grand birthday like you used to have son" Nidoking apologized.

Rhydon looked at him.

"Dad, don't worry, I've had the best time of my life as long as you two are around, I'm happy" Rhydon said gladly.

Rhydon looked at him, proud that he had a son like him, even though he was a single dad and wasn't too wealthy.

"I'm glad son, let me know if you need anything, and I'll give it to you as best I can" Nidoking said as they sat on the couch beside each other, watching another run of some soap opera.

"Well dad... There was something I wanted from you..." Rhydon whispered.

"And what would that be?" Asked Rhydon.

Rhydon looked up at Nidoking.

"Can you teach me how to have sex?" Rhydon asked him.

"... w-w-what!?" Nidoking stammered at the question.

"I'm serious dad! I wanna make Slowking really happy! Even more happy than he was earlier!" Rhydon innocently begged Nidoking.

"No... Uh... S-son... You probably know the birds and the bees by now" Nidoking tried to excuse himself from getting into an awkward situation.

"Yeah but school never taught us anything about this. I'm in college but up till now they don't show us how sex is ACTUALLY done. Can you please show me dad? Please pretend to be Slowking for me" Rhydon gave Nidoking his sad looking eyes, which Nidoking couldn't resist.

Ok, alright, but just this once ok?" Nidoking said.

"Great! Where do we begin?" Rhydon asked him eagerly.

"Ok not here alright. Um... The first thing you need to know is that you have to do it where nobody sees you. The best place is the bedroom, so uh... Yeah, let's go upstairs" Nidoking said as he got up.

"Oh boy! I'm finally going to know how sex is done!" Rhydon said following Nidoking up the stairs.

Nidoking sweat dropped, not too sure if he was being a good dad for trying to teach his son something he wanted to know, or a bad one for agreeing to this in the first place.

They entered his room which was full of vintage collections in his past, and both stood in the middle of the room in front of the bed.

"So what do we do next dad?" Rhydon asked Nidoking.

Nidoking took a gulp and thought that since his son asked for it, it was completely consensual for both of them, and since he was already an adult, it was high time he knew how to have sex anyway.

"First, we take off our clothes son" Nidoking said, taking the initiative to take his own clothes off.

Nidoking lifted his tank top off of himself, showing his musclegut and pecs in their full glory, and taking his shorts off, leaving him in a white jockstrap that had a hefty looking bulge.

Rhydon followed his dad's lead, taking off his own clothes, lifting his gamer shirt off and comfy shorts, leaving his average build and tighty whities that clung to his crotch firmly to Nidoking's sight.

"What next?" Rhydon said eagerly.

It had been a while for Nidoking so he gulped and hesitantly said.

"Then uh... Then we kiss" Nidoking plainly said.

"Oh ok" Rhydon said, kissing Nidoking's cheek.

Nidoking chuckled a bit.

"Not exactly like that son. Here, let me show you how it's done" Nidoking said and gave Rhydon a kiss on the lips.

Rhydon's eyes widened before returning the kiss as well.

Nidoking no longer felt cautious and decided that he had passed the point of no return now and opening his mouth, making his tongue enter his son's mouth easily due to the inexperience of his son and started French kissing him.

Rhydon loved this new sensation and started tongue kissing Nidoking, feeling his cock harden and get aroused at his new feeling, while nidoking felt the same way as his own cock started to stretch out the jockstrap, his large cock being seen if you look at it from the side.

Nidoking and Rhydon were now full blown making out with each other, as Nidoking started to rub his hand along Rhydon's back, and another on the back of Rhydon's head.

"Ah... D-dad... I..." Rhydon started to say before Nidoking pulled him back in the kiss and thrusted his mouth back, shutting Rhydon up and making the kiss go deeper.

Rhydon started doing the same to Nidoking' body, his hands exploring his dad's hot body, embracing him and touching his musclegut, his back, and his muscles, even his ass.

Nidoking and Rhydon's hardons rubbed against each other, rubbing the still clothed precum stained tips against each other.

Nidoking and Rhydon parted their lips from each other, a string of saliva still connecting the both of them.

Nidoking wiped his mouth as Rhydon felt dizzy from the intensity from the kiss.

Nidoking wasted no time taking their respective underwear off, his own cock was much bigger than Rhydon's, but he didn't hesitate to rub their cocks together, effectively covering each other's lengths in precum.

"Hah... Dad... It feels good..." Rhydon said, thrusting against Nidoking's cock, rubbing their lengths against one another.

"Its been so long...!" Nidoking muttered, pushing Rhydon onto the bed and continued their frotting.

"Hah... Dad... I feel something coming...!" Rhydon yelled, thrusting upwards against his cock.

Nidoking pulled away before Rhydon could finish early.

Rhydon complained.

"But daaaaaaad.... Why did you stop? You're so cruel" Rhydon said, watching his won cock twitch with need.

Nidoking felt a bit bad about that.

"Sorry son, it's not time yet... But the next step is this" Nidoking pointed at his own cock.

"You will now suck my cock until I blow my cum in your mouth. Go on, smell it first" Nidoking instructed.

Rhydon looked closely at it before sniffing Nidoking's cock, smelling the musk and masculinity from the cock.

"It... It smells good" Rhydon said, before licking upwards along the length. Nidoking clenched his fist, it had been a long time before he had felt such pleasure the last time.

"Yes Rhydon... You're doing good... Ngh... You can suck my balls too..." Nidoking instructed, his voice mixed with moans now.

Rhydon followed his instructions and started ball sucking now, licking his balls and giving them a big whiff, pressing his nose deeply onto them.

Nidoking moaned, feeling his eyes roll up and smiled a bit from the pleasure of having his cock and balls get worshipped like once upon a time.

Rhydon was a natural, and started sucking half his length and teased the head with his tongue, giving Nidoking a pleading look while looking at him with a blush, which looked sexy and seductive.

"Hah... R-Rhydon... You're.... Hah... You're good at this... T-that's enough" Nidoking barely willed himself to say, almost feeling himself almost cum right there.

Rhydon licked the precum off before stopping.

"So is that it dad? Is that how I make Slowking happier?" Asked Rhydon curiously.

"There's one more step to do Rhydon. Get on the bed and get on all fours" Nidoking commanded Rhydon.

Rhydon eagerly got on all fours.

"What's next dad?" Asked Rhydon, wondering what will happen next.

"Leave it to me" Nidoking gulped and went behind Rhydon, spreading his ass cheeks apart, revealing his pink virgin hole.

"Ah... D-dad... what are you..." Rhydon started to say.

Rhydon interrupted him by giving his hole a lick, making Rhydon moan out with each lick, not being able to finish a sentence as his sensitive anus felt wonderful with each stroke of Nidoking's tongue.

"*moan* D-dad... Keep going...!" Rhydon managed to say.

Nidoking smirked and pressed his mouth to his butt, his tongue penetrating and licking his ass, making Rhydon feel so good that he spread his legs and ass for him, using his hands to spread his own cheek so Nidoking would find it easier to eat him out.

Nidoking gladly obliged, eating him out vigorously as Rhydon precummed on the bed, his cock dripping with pre, Nidoking was tasting every inch he could get his tongue on inside.

Nidoking soon pulled away, leaving Rhydon's hole loose than before, and twitching with need for him as he looked back at his dad.

"Hah... Dad... I need more...~" Rhydon said with an exhausted, horny look while giving him a seductive, longing smile with his tongue hanging out.

Nidoking couldn't resist and positioned his cock, the tip kissing the hole as he prodded it.

"This is the last step son... You have to pound the hole with your cock" Nidoking panted, he wanted to ram it in desperately but he reminded himself that this was his son so he took it easy.

Nidoking felt his anus make make room for his cock and accommodate it, the walls parting and holding onto his cock snuggly.

Rhydon moaned as his virgin hole spread inch by inch for his dad's large cock, his cock twitched and released a string of precum as he felt nidoking fully hilt himself.

"Hah... Keep going... It feels so good~" Rhydon urged his dad to go on.

Nidoking sneaked a clawed hand on Rhydon's cock as he started thrusting again, making Rhydon go crazy with pleasure.

Nidoking flipped Rhydon over in a missionary position and thrusted again, hitting Rhydon directly in the prostate.

Rhydon embraced Nidoking and kissed him, which Nidoking returned and lewdly resumed their earlier kiss, their tongues battling for dominance with each other as they gave each other love like they never did before.

"Dad... Ngh... I... I love you" Said Rhydon, letting the tip of their tongues circle against one another, feeling both their chests rub against each other as Nidoking thrusted.

"I love you too son...!" Nidoking replied, tasting his son's saliva and drinking it like he was in a desert.

Nidoking's cock twitched faster with each thrust, his son's ass was milking him for all he was worth and he was getting close.

Nidoking shut his eyes, pistoning his hips into Rhydon and breaking the kiss as he shut his eyes and started thrusting as fast as his hips could let him.

"Son... I'm going to fill you up with all my love...!" Nidoking yelled loudly as he was close to releasing.

"Yes dad...! Give it all to me! I want all of your love~" Rhydon moaned out as they held hands with each other and looked into each other's eyes and knew of the inevitable climax.

Nidoking roared with the ferocity of his species as he came, giving his son's ass a creampie as a burst of cum leaked from his ass.

Rhydon threw his head up and with a slutty smile, he came on his own chest and stomach, as well as Nidoking's, experiencing orgasm for the first time in his innocent life.

"hah... Hah.... I love you dad~" muttered Rhydon.

"Hah... Love you too Rhydon" Nidoking said while panting.

"I don't know if I'm ready yet... Can I practice what you did on me so I can know if I'm ready for Slowking?" Rhydon asked him, perking up almost immediately.

Nidoking didn't know if that was a good idea... But one more time wouldn't hurt right?

"Alright son... I'll see if you're ready to do it with him tomorrow" Nidoking relented.

Rhydon hugged Nidoking.

"Thanks dad! You're the best!" Rhydon yelled, hugging him by his muscled arm.

Nidoking blushed and scratched the back of his head.

"There's still one last thing you need to know after having sex..." Nidoking whispered.

"And what's that?" Asked Rhydon curiously.

"Well... You cuddle, and kiss, and sleep together..." Nidoking said while blushing.

"Oh why didn't you say so dad" Rhydon said and got on top of Nidoking and hugging him.

Nidoking hugged him back. They looked at each other and kissed, turning into another passionate makeout session.

...

*Next the morning*

Slowking walked back to his boyfriend/neighbor's house, and opened the gate. He saw the door was a bit ajar and entered the house.

"Huh... They must have forgotten to lock up... They really should be more concerned about their safety" Slowking muttered and went upstairs.

"Rhydon? Nidoking? You there?" Slowking called out to them but nobody answered.

All the lights were off on all the rooms except for one, which was slightly open for slowking to look into. What slowking saw surprised him.

Rhydon was rimming his dad like no tomorrow, as Nidoking moaned like a slut for his own son as his big ass was exposed to his son as he was laying on his back and raising his legs for him.

"Oh f-f-fuck son... Yes... L-lick there... your tongue feels so good... I don't think I can live without being licked down there anymore, keep going" Nidoking moaned as Rhydon fucked his ass with his tongue.

"You taste so good dad... mmm.... Will Slowking feel good when I finally do this to him?" Asked Rhydon who didn't stop licking.

"Yes son... He'll fall in love all over again with this" Nidoking said.

"Dad... I can't take it anymore... I wanna fuck you~" Rhydon moaned out, putting him in a mating press position and positioning his cock on his hole.

"Do it son... Make me proud and show me how you really fuck an ass like mine... If you can fuck me and make me cum, you fuck him silly too 3" Nidoking urged.

Rhydon indeed began fucking Nidoking's ass eagerly, bouncing himself on Nidoking's ass, both of their asses pressed against each other as they fucked.

Slowking watched the sight, he didn't expect the two to have sex, much less use each other as living fuck dummies as practice.

Slowking didn't know what to do, he grew hard and at that moment, he was focused on one thing and one thing alone.

Slowking dropped his pants, showing his fat, chubby cock and jerked himself off as he watched the father and son fuck each other, finding the scene very hot.