Naruto does his best to improve

Naruto listened to the sounds Kurenai made as he fucked her relentlessly, his cock slipping in and out of her tight wet cunt as fast as he could manage at the moment. Naruto could now see why his teacher was training him this way; Already her incredibly tight pussy was making him feel like he was going to cum right there and then.

But Naruto also kept in mind how this was not just mindless sex. Kurenai was trying to make him a better ninja this way, though Naruto suspected she was enjoying the lesson as well as she writhed below him and her moans of ecstasy grew with each thrust.

“Mmmmm… Naruto… right there… yes!”, Kurenai moaned after he hit a sensitive part of her sex as she wrapped her hand around his neck and her feet behind him, keeping the two locked tight. Kurenai met Naruto’s thrusts as best she could, anything to get him into her cunt more.

Their sweaty bodies rubbed against one another as the smell of sex filled the bedroom. Kurenai’s mind was a mess in the pleasure she was sinking in, but somehow her mind registered that Naruto had improved a lot from having sex with the other girls.

Narutos hands moved up and he began to play with his teacher’s breasts, her hard nipples rolling between his fingers and making her gasp in the new sensation she was feeling. Naruto pinched and lightly tugged his Sensei’s hard nipples, trying his best to last as long as he could.

“You’re inside me… so deep… you fill me, Naruto!”, Kurenai yelled before biting her lip to silence herself. If her other students were still close or anyone else was outside the room, it wouldn’t be a good thing to draw attention to what they were doing.

Naruto gave a lot of attention to Kurenai’s chest, making the red eyed woman even more aroused as her student played with her.

“Kurenai-sensei… you’re so hot, wet, and tight…!”, Naruto grunted, wondering how his sensei was making her cunt as tight as it was now. It had always been tight, but right now it felt like it was trying to pull his dick into her and if he pulled out it might be pulled off. “Mmmm, more Naruto...”, Kurenai groaned.

The sensation of his cock filling her to the brim was exhilarating to her as she clutched the bed sheet beneath her tightly. “Kurenai-sensei… I don’t know how much longer I can last!”, Naruto muttered as he felt himself growing closer and closer to his first shot in the days since the exam started rising in him.

“I know Naruto. Now the exercise can start! I want you to hold it as long as you can! AH!”, Kurenai said in a breathy voice, her eyes half closed in the pleasure her student was giving her at this moment. “O-Ok, Kurenai-sensei.”, Naruto replied with a heavy breath as he tried to hold it back as best he could.

Kurenai whimpered as she climaxed on Narutos cock, this being the second time already and with him pounding her sex through it was quickly building up to another one. She moaned, shouted, and screamed her enjoyment to him and Naruto obliged her demands as he picked up the speed of his deep hard thrusts.

Kurenai screamed out her pleasure as Naruto continued to thrust deep and hard into her sex… mounting his actions greatly and picking up speed with each thrust he gave to her.

“Kurenai-sensei! I can’t…I can’t keep going! Should I pull out?”, Naruto asked as even his will began to reach its limit. Kurenai was so close to climaxing again, she held Naruto tightly as she cried in pleasure. “No… go on, Naruto-kun… fill me to the brim!”

And Naruto did just that. With his teachers permission, Naruto groaned loudly and his voice mixed with Kurenai’s as she was filled with cum Naruto had saved up since the beginning of the exam, making her have her third climax herself.

“More! More! Ahhhhh! YES!!”, Kurenai cried in pure bliss as she felt her students cum shooting into her tight pussy, filling it over as some of it ran down to her ass.

Both breathing heavily, Naruto rested against his teachers breasts like pillows for a moment before looking up at his sensei with a questioning look. “Kurenai-sensei, how did I do?”, Naruto asked as she too caught her breath.

“You lasted ten minutes longer then you did before, Naruto.”, Kurenai said with satisfaction. “I think this may work after all!”, Kurenai smiled and Naruto nodded. “So what's next, sensei?”, Naruto asked, making the woman sigh.

“I would love to do some more training, but your teammates and that sound girl might get suspicious if you're any later. Go meet them Naruto, we will have many chances to train later.”, Kurenai said, making Naruto nod as he slowly slipped out of his teachers sex.

After using the bathroom to rid himself of the smells of sex, Naruto gathered his clothes and, after seeing his teacher was taking a nap after their time together, he made sure she was covered in the bed sheets to hide her body from any who entered after him. Content to know she would be okay, he left to meet his team.

“Sleep well, sensei.”, Naruto said before shutting the door and just missing her mutter his name in her sleep.