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Becoming Kurama’s

This is not mine if the author wishes to have it removed let me know. Kurama hypnotizes Naruto in trying to move into his s*x slave

Jazper_Hemsath · Anime & Comics
Not enough ratings
9 Chs

Becoming Kurama's

"Very nice. Now that you don't need to be trained mentally anymore we can start training you physically." Kurama started explaining. "You will be done when you can take me in this size."

Kurama started shrinking until he was a bit larger than a large horse. His sheath was still as large as Naruto's forearm.

"Let's start!"

Out of thin air a regular sized canine dildo materialized just in front of Naruto. The only thing he could do was drool in anticipation. He would complete this training to finally service master!

"Why don't you start by trying to take that tiny thing in your ass." Kurama ordered.

Naruto slowly made his way to the dildo. Compared to Kurama it really was tiny, but it was still about the size of Naruto's own cock, only canine shaped. The knot was about the size of two golf balls. As Naruto stood over it, he aimed and started squatting. Some precum accidentally dropped onto the dildo, almost inviting Naruto.

"AAHH-" Naruto moaned as he felt the tip touch his pucker. He never really touched his own ass in any sexual way before, so this was all new to Naruto. Slowly, Naruto pressed down more, trying to get used to the feeling and the stretch.

"SIT!" Kurama yelled impatiently.

Startled by the sudden command from his master, Naruto relaxed his legs and instantly slid down and fell hard on the knot, but not hard enough for it to slip in. The sudden stimulation caused Naruto to spurt some precum on his belly.

"AHH-OUCH! Ow ow ow ow..." Of course, it also hurt quite a bit.

"Good. I was starting to think it was going to take all day." Kurama said with a somewhat evil grin on his muzzle. "Tell you what, if you can take that knot within five minutes I'll let you suck some pre right from the source." The fox continued while gently stroking the tip of his cock with his thumb and index finger.

Naruto's eyes almost glazed over at the thought of actually sucking master Kurama's dick, and his own dick couldn't seem to wait either as another jet of pre landed on his belly. Then Naruto snapped back to reality with determination.

"I will promise to take the knot in five minutes. And I never break my promises, that is my ninja way!"

'God even when absolutely brainwashed he still has his antics...' Kurama thought while internally sweat dropping.

"Just get to it. I'll watch from here and give you some encouragement." With those words Kurama laid down on his side 5 meters in front of Naruto and slowly moved his head towards his sheath. The fox took a big whiff of his own musk and sighed in satisfaction. Naruto could only watch with full attention, and did not move an inch. Kurama almost touched the tip with his tongue before noticing that Naruto was watching him intently.

"The clock is ticking kit, only four minutes and thirty seconds remaining." Grinning once more at the effect he had on the boy.

Naruto jumped up as those words registered, which made the dildo slip out. Naruto moaned a little at the sensation that caused. Quickly Naruto slid down again. This time it luckily did not hurt nearly as much. Once again his entrance kissed the dildo's knot, which was now fully lubricated by the pre leaking from Naruto's ass.

"AAHH come on..." Naruto started putting more of his weight on the knot to try and force it in. Sadly his anus could not stretch wide enough on the first try as the pain got too intense.

"Just relax your ass it's not that big. How are you ever going to take this " The fox pointed to his knot that was still buried within his sheath. "If you cannot even take that puny thing?"

Naruto kept trying to relax his anus and push it over the knot some more, but the widest part just would not fit, even after minutes of trying. He quickly became frustrated, mostly because this would mean that he would not be able to pleasure master Kurama.

"Time's up! Looks like you failed. Luckily for you I'm in a good mood and will give you an offer: I will help you get it in and you may still drink some pre. The catch is that the dildo will stay in your ass for as long as I say it will."

"Yes please let me pleasure you master Kurama!" Without even thinking of the possible consequences Naruto immediately agreed.

"Splendid! Why don't you come closer and turn around."

Naruto of course obeyed without hesitation and started making his way over to the fox, who was still laying on his side. Once he was close, he turned around as ordered. Kurama brought up a tail and slapped it hard against the base of the dildo.

"AAAHHHHH" Naruto screamed as the knot that was too thick a second ago was forcefully slammed in. The pain and pleasure instantly became too much, which made Naruto cum right then and there. Quickly after, the pain returned to a manageable level and he could feel the knot pushing against his prostate.

"Now that was not so hard was it?"

Naruto turned around after hearing master speak behind him. He was greeted by the sight of the vulpine sitting on his haunches, but with his hands on the ground slightly behind him, allowing him to put his sheath on display. The tip clearly visible and already leaking a good amount of pre.

"Why don't you come over here so you can get your reward as promised?"

Of course it was more of a demand than a question, but that did not matter to Naruto. He quickly made his way to the cock he was promised and got on his knees. His face was now so close to the sheath that he almost got drunk from the potency of its musk. An obvious blush made itself present on his cheeks.

With one paw Kurama grabbed his sheath and pointed it towards Naruto. The other paw went behind Naruto's head to force him even closer.

"Well, what are you waiting for? Drink up kit."

Naruto immediately opened his mouth and carefully placed his lips around his master's tip. Instantly kurama flexed his cock, which caused a load of fresh, hot precum to completely fill Naruto's mouth. He definitely did not do that to tease the kit some more. Naruto did not expect the sudden amount of liquid in his mouth and coughed, leaking some of it on the ground.

"Tsk tsk tsk, you cannot be wasting my precious precum. I think I'll have to punish you for that." Kurama said , obviously having planned this.

"I'm so sorry master Kurama. It won't happen again." Naruto replied, genuinely feeling down because he failed his master as he bowed down.

"It better not. To teach you a lesson I'll fill you to the brim with my precum until you are completely full." Kurama said before he started growing back to his original size, which made his balls press against Naruto. Naruto could only awkwardly hug the growing orbs. "Yeah get a good feel of the pre in there, because in a minute it will all be in you. With me in my original size there should be more than enough. Now open your mouth so I can aim properly."

Naruto did not need to be asked twice and immediately opened his mouth as wide as possible. Kurama took a step back and pressed his sheath flush with the ground. Luckily that placed the tip of his massive canine member on the same height as Naruto's mouth. Slowly the giant fox thrust his hips forward until the tip reached Naruto. The size difference was now more apparent than ever. Naruto was only barely able to fit a part of the tip in his mouth, with the end already touching his throat, but that was enough for Kurama.

"Brace yourself kit." Without further ado Kurama started massaging his sheath, which caused gallons of fresh, hot vulpine precum to spurt into Naruto's mouth.

"GWHWH." Was the only noise Naruto could make as his throat was assaulted by the sticky liquid. Even though he was prepared this time, there was simply too much to drink up without spilling. Luckily master Kurama did not seem to care this time. He could feel the first bit of pre going all the way down his body until it reached the dildo that was still stuck in his ass. Naruto kept drinking and drinking as fast as he could. Quickly, Kurama could see the boy's belly start to swell a little. Naruto has never drunk that much before and started to feel fuller than he has ever been. The thought of stopping did not even cross his mind, however, because that would make master Kurama disappointed.

"You are doing quite well, kit. Seeing you drink so much of me is even making me a little excited." Kurama stated. And true to his words, his cock was escaping from its furry housing bit by bit, but not nearly all the way. The words barely registered in Naruto's mind, though. He was fully focused on swallowing as much pre as possible. A couple of gulps later Naruto could feel that his body was so full, that the liquid was creeping up his throat.

"Imagine if I pulled that dildo out of your ass right now. You would be leaking for hours!" Although Naruto could not reply verbally to the dirty talk with a massive dick in his mouth, his own cock replied by spurting some of its own precum.

"Oh, what's this? I think I can feel my pre coming from your throat." Not a second later Naruto was unable to swallow anymore pre and it started to leak from his mouth. Kurama did it. He filled Naruto to the brim with his pre. Kurama pulled his tip out of Naruto's throat which allowed Naruto to breathe easier. A good human arm's length of his vulpine member was now free from its sheath.

"Whew that drained almost half of the precum in my balls. Now look up so I can see my work." Naruto looked up and Kurama could see his pre sitting in the boy's throat like water in a well. "Yes, very nice." Kurama said with an evil, but satisfied grin painted on his muzzle.

"Thank you master Kurama." Naruto said, finally able to speak again. Then he started to feel the dildo in his ass move a little, which made him look down his back in confusion.

"Kheheh anytime kit. Oh, did I forget to mention that that toy in your ass reacts to my precum? It absorbs any precum it comes in contact with to grow in size. With the amount of pre sitting in your body right now, well, let's just say that your ass is in for one hell of a ride."

"Yes master. I cannot wait for you to take me and knot me deep."

"Patience little kit. In the meantime..." Kurama began as he started shrinking to his smaller size. "You are going to have to work your mouth some more as I am still almost fully sheathed." The now once again large horse sized kitsune grabbed Naruto with his tails and rolled on his back. Then he placed Naruto on his furry belly, with Naruto on his hands and knees, reuniting his canine cock with Naruto's mouth. This gave Kurama great access to the boy's rear and the dildo.

"Well don't just stare at it, get to work." Kurama ordered. Naruto did not need any more encouragement and quickly took as much of his master in his mouth as he could until he hit the orange furred sheath with his lips. The fox had other plans and thrust his cock deeper in Naruto's mouth until it hit the boy's throat, exposing about two thirds of his red rocket. After that the boy started slowly bobbing his head up and down.

"Good. Keep doing that for a while. I'll be busy back here." The fox purred. With a furred hand he started gently moving the dildo back and forth a little bit.

"HMHMHMM!" Naruto moaned around Kurama's cock.

'Damn that is good. I may have to fuck him sooner rather than later.' Kurama thought to himself.

Kurama pulled the dildo back a bit more and saw Naruto's sphincter come with it. Almost as if it was holding on to the knot for dear life. It was obvious that the dildo was already a bit bigger than before. Kurama twisted the toy a bit to make it easier to pull out. This made Naruto moan louder out of pleasure, pain, or both. Kurama did not care either way. As the fox started pulling harder and harder, Naruto's moans/screams got louder. Kurama could see the boy's ass slowly losing the battle until eventually...

*POP*

"AAAHHHH!" Naruto screamed as he came and let go of his master's penis for a moment.

Instantly a load of Kurama's own pre started dripping out of Naruto's bottom, onto the fox' chest.

"Whoops." Kurama said sarcastically before using his tongue to prevent more old pre to escape the boy. Naruto instantly came from the feeling of his master's tongue on his pucker, which made the fox grin.

Kurama slowly inserted more of his tongue into the boy, but quickly determined that Naruto was still too tight. The vulpine slowly retreated his tongue and instantly put the dildo back in up to the knot as the last bit of his tongue left Naruto's cavern.

"You are still way too tight for me kit. Luckily you still have work to do over there, so don't slack off! I want my whole glorious cock out of my sheath, bar the knot, before I will even consider abusing your hole with it!"

"Yes master!" Naruto said as he instantly took Kurama's cock as deep as possible, which still left one quarter of it inside the orange furred sheath.

'Hmm let me help him stretch a bit.' Kurama thought to himself as he grabbed the base of the dildo once more and pushed it in a little bit more, so that the widest point of the knot stretched the boy's sphincter. The fox noticed that it was easier for the boy to stretch that wide now. Naruto still had a respectable amount of the pre in him, so the dildo will become quite a bit larger..

"Come on kit, you still have a quarter of the way to go. You don't want to disappoint me again, do you?"

Those words filled Naruto with renewed determination. He hooked his hands behind his master's hind legs and relaxed his throat. Then, Naruto pulled himself up as hard as possible to try and take the last bit of fox cock down his throat... And he was successful! Naruto's lips were now firmly pressed against the sheath-covered knot. The hot member reached down all the way to even beyond his collarbone.

"AH that's the stuff!" Kurama said while throwing his head backwards. They both enjoyed the moment for a couple of seconds more.

"Alright kit let's see how the toy is doing." The fox examined the knot that was still halfway in the boy's ass. It had probably the same girth as his own shaft in this size. Kurama had waited long enough and decided it was time. Without hesitation, he grabbed the base of the dildo and pulled it completely out of the kit's bottom. That made Naruto involuntarily let out a whine.

"Aw don't worry. I will stuff you with something much better in a second." Naruto blushed hard at those words, while still being lips-to-knot.

Without warning Kurama grabbed Naruto with a tail and removed him from his cock. Feeling his member slide out of Naruto's throat like that made him shudder and only added to the anticipation for what was coming. While still holding a nearly limp Naruto with a tail Kurama moved to a cross-legged position, which made his red, hard and waiting canine cock point up. Then he positioned Naruto's pucker right above his tip.

"I would ask if you are ready, but you do not really have a say in this. Not that you would refuse anyway." Kurama grinned evilly.

Slowly Kurama lowered the kit onto his eager member and felt the tip knocking at Naruto's back door. Naruto was stretched more than wide enough by the dildo, which Kurama had placed next to himself, to easily take the tip.

"OH master!"

"Be silent! The last thing I want to hear while I destroy your ass is your whining!" Kurama demanded. Naruto instantly shut up. Without warning Kurama slammed Naruto hard on his cock and instantly reached the knot.

"AHHHHAHHHHH YES!" Naruto screamed, before realising that he instantly went against his master's words. Without saying anything Kurama grabbed the dildo again and rammed it down Naruto's throat to make sure he won't be saying anything anymore.

'That should shut him up for a bit.' Kurama thought to himself.

The fox started out with a rather slow pace and used his tail to pull Naruto up before slamming him down again. Up and down, up and down. Kurama used Naruto like a tight fleshlight. Naruto could only moan as he was used from both sides by canine cock, although the one in his mouth was a fake. Kurama started pumping harder and harder as time passed. Every thrust buried his throbbing member deep within the boy. All the way up to Naruto's bottom-most rib.

After a while Kurama had his head thrown back with his tongue hanging out. Absolutely loving his new fucktoy. He could feel himself getting closer, but still had more than enough stamina left over. Naruto, however, did not. Kurama used another tail to slam the kit down his cock with even more power. This allowed him to bury a little bit of his still mostly sheathed knot within Naruto's ass. The boy came instantly, as he has never had anything so far up his bottom before. Quickly, Kurama used another tail to catch the little bit of cum that Naruto just released. With a paw he pulled out the dildo out of Naruto's mouth.

"Here kit, have a taste of what I did to you." Kurama said before lifting the tail to Naruto's head and putting it in his mouth. Naruto was forced to taste his own cum. Honestly, Naruto did not care much for his own seed and found his master's pre to taste much better.

"I don't care for my cum, I want yours and yours only! I want to taste your sweet white fox spunk and drink it like I did your pre."

"Keh, careful what you wish for." With those words Kurama once more changed position. He stood up on all fours like a feral fox, with his shaft still buried deep within the boy. Naruto could only just not reach the ground with his feet as he hung from his master's large, vulpine member and tail. Kurama did not hold back anymore. Every thrust was now backed by the strength of his hips, which allowed him to reach even deeper than before.

*SLAP* *SLAP* *SLAP*

The sound of their mating was raw, almost feral. Naruto could only drool and let it happen. He was already stretched impossibly wide and was afraid he would not be able to take his master's knot. Kurama mated like that for a good few minutes, until eventually...

"GRRR!! You're so tight, my little fuck kit." Kurama's thrusts started becoming even more wild.

*SLAP* *SLAP* *SLAP*

"Heh... heh... Do you think you can stay conscious when I knot you? I think my knot may cause some irreparable damage." Kurama's thrusts started so slow down, but became much harder. Naruto could only moan.

*SLAP* *SLAP* *SLAP*

Every thrust, Kurama's knot was able to go in a little bit further, and by now was fully free from its sheath. Naruto's ass was stretched as wide as he was from his back to his belly.

*pant* *pant*

"Here it comes kit, years of my hot ancient fox spunk!"

*SLAP* *RROOOOOAAAAAGGGGGG* Kurama roared as his knot finally slipped in after an exceptionally hard thrust.

"AAAHHHHGHGHGH" Naruto screamed in pain and pleasure as his ass was stretched to unimaginable lengths. Once more Naruto came and leaked his cum on the ground.

Kurama's giant and fully freed vulpine cock started throbbing hard in Naruto. Then the cum came. Naruto felt it being pumped in him like water from a waterhose. Spurt after spurt of hot canine spunk was being released in his body, painting his insides a sticky white. It quickly became too much for Naruto's comparatively small body. And much like the precum before, Kurama's cum reached the boy's mouth and even started leaking out of it. Kurama saw this.

*pant*

"Well kit, you wanted to taste my 'sweet white fox spunk' as you called it? There you go!"

Naruto could not reply as he was busy trying not to drown in fox cum.

'Keh, it has been a while since I've had such a good fuck' Kurama thought to himself. Admittedly it took a lot out of even him. His member was still shooting bits of cum in the kit with every throb, but he could feel that his balls were almost empty. On the other end of Naruto's body, he could see his own cum still leaking from Naruto's mouth. The sight gave him a satisfying feeling and he smiled at that.

A bit later Kurama's balls were completely drained, which meant he was done for now.

"Good job my toy, that was great. Now let's get this cock out of you." Kurama's knot had reduced in size somewhat which allowed him to pull it out of Naruto's behind by holding Naruto still with his tails as he pulled his hips back.

*PLOP*

White, sticky kitsune cum started pouring out of Naruto's ass now too, quickly joining the cum puddle produced by the cum that leaked from the boy's mouth.

"Well that was fun, wasn't it?"

Kurama got no reply and looked down to see Naruto vast asleep with a smile on his face.

'Oh well, whatever. Let's take a look at the damage.' Kurama thought with an evil grin. The fox backed up a bit and moved his muzzle to Naruto's destroyed opening. He could probably fit his finger in there without touching the walls of the kit's cavern. Kurama felt satisfied with himself upon realising that and smiled once more.

'I wonder what I'll do with him next...'