Naruto: The Power Tank

Ugh… where am I?

Naruto blinked his eyes open, his head feeling dizzy. His memories were blurry.

He looked up, glancing around. He was in a small room, which was filled with people. He was leaning against a wall, his back resting against it casually.

He tried to open his mouth to speak, but found he couldn't. Then, he tried to stand up, but also couldn't. It was as if his entire body was numb. He couldn't move at all.

"This is your way to defeat Riser, Rias-sama," A silver-haired woman spoke in the room, her words directed at a red-haired woman.

"This man?" Rias asked doubtfully, looking down at Naruto as he laid limp against the wall.

"That man, and this," Grayfia said, holding up a stone tablet at her. 

"A tome?" The black-haired woman, Akeno, asked.

"A succubus tome," Grayfia nodded, "That man is from another world, and is stronger than even Sirzechs-sama. He's essentially a bottomless pit of energy for the taking."

"T-Then, shouldn't we be worried?" The blonde-haired girl, Asia, asked, "If he's that strong? What if he doesn't comply with us?"

"Don't worry. While he might be extremely powerful, we used a summoning method that has a stipulation," Grayfia explained, "Until this tome is activated, he won't be able to move. After he's regained control of his body, the stipulation will kick in: He's unable to go against a woman."

"Still, to bring someone this powerful here…" Rias trailed off, looking at Naruto with slightly worried eyes.

"He's in your hands now," Grayfia spoke, "Use the tome to take his power, and to ensure that he's never able to disobey you. Don't look so worried - it'll be easier than you think."

With that said, a large white magic circle appeared under Grayfia, and she disappeared into it.

"Ufufu, let's get started," Akeno said, grabbing the tome. She held it up, her eyes reading the inscriptions on it, and then nodded. She placed her palm on it, and suddenly both the tome and Naruto glowed blue.

"W-What's going on?" Naruto finally asked, shooting to his feet as he was finally able to move. He tensed his body, ready to fight.

"Relax," Akeno giggled as Rias also readied herself to fight, "Kneel!"

Suddenly, Naruto's body betrayed him. His legs gave out, falling to his knees as he knelt in front of the woman.

"W-What did yo-"

"Shush," Akeno said again, and Naruto's mouth suddenly snapped shut.

"He can never go against a woman, remember?" Akeno giggled at Rias's questioning look.

"W-We shouldn't do this…" Asia said, guilt appearing on her face, "If he doesn't want to, then we shouldn't force him to do things!"

"We aren't forcing him to do anything," Akeno explained, reading the tome again. It glowed blue again, "There. I used a truth spell on him! Let's test it out!"

She stepped forward, leaning down so her huge breasts were hanging in Naruto's face, "What's your name?"

"Naruto," Naruto answered instantly, the spell forcing the truth to come out.

"Well, Naruto-chan," Akeno leaned forward, placing her hand on his chin as she angled his head up at her. She leaned past him, her lips getting dangerously close to his ear. Naruto flushed red as she did.

"Do you like kneeling for me, Naruto-chan?" 

"Y-Yes!" The word came out before Naruto even had a chance to stop himself, the truth being pulled from his lips. Akeno giggled.

"See? He likes it," She giggled, pushing her foot forward so it pressed into the growing tent on his crotch, "Do you want me to keep going, Naruto-chan?"

"Yes!" The word came flying out again, and Naruto blushed as his cock became harder.

"Problem solved, Asia-chan," Akeno giggled, stepping back from Naruto, "He wants this! And, he'll want it even more after this…"

Akeno's hand brushed over the tome again, and it glowed blue.

"What did you do?" Rias asked, peeking over the girls shoulder.

"Just made things more fun," Akeno giggled again, "His sensitivity is 1000x times higher than normal!"

"O-One thousand?" Rias stuttered, looking down at Naruto.

"Yup, so now I can just…" Akeno trailed off, a smirk on her face as she walked over to Naruto. She lifted up her foot, pressing it into his crotch again. 

Suddenly, an overwhelming wave of pleasure shot through Naruto's body. His hips jerked forward, his mind reeling at the sudden pleasure. His cock flew up to full size, and then started twitching. 

A second later, there was a noticeable stain on his orange-coloured pants.

"That easy," Akeno grinned, then she let out a soft moan as her body glowed blue, "Just like that, I'm about 10% stronger than before!"

"Oh, wow," Rias muttered, walking up to Naruto as well. She leaned down, looking him in the eye. Then, she reached forward, grabbing his hair and directing his eyes to look at her clothed breasts. She jutted her chest forward, pushing them into his face.

Naruto let out a pleased grunt, his hips jerking forward again as his wide eyes stared at Rias's breasts. His cock twitched, and another spout of sperm shot outward.

"Wow, that was easy," Rias chuckled, letting go of Naruto's head and letting him catch his breath as she pulled back, "I feel stronger as well!"

"Let me try," A emotionless voice said, Koneko finally getting off the couch in the ORC Clubroom to join in. She stepped forward, looking down at Naruto. 

Then, she lifted her foot, stomping down on his crotch harshly.

"Perv," She muttered, looking down at him in disdain. Naruto's brain short-circuited from the pleasure again, a moan coming out as he thrust his hips forward, his pants becoming a mess. Koneko's body glowed blue, and she stepped back.

"Your turn, Asia," Rias said, pushing the girl slightly toward Naruto. She nodded shyly, blushing as she looked down at him.

"Um, I've never, ah…" She trailed off, her face beet red.

"Let's help her out," Rias said, looking at Koneko, "Get his pants off."

Koneko nodded, reaching down and grabbing the bottoms of Naruto's pants. Using her rook strength, she pulled down and ripped them off his body in one go, revealing his stained underwear.

"Those too," Rias gestured, and Koneko stepped forward and ripped off his underwear, revealing his member to the world.

"Oh my," Akeno giggled, watching as Naruto's massive cock flopped out.

"It's quite… big," Rias agreed, staring in awe.

"I, um, I hope you like this!" Asia said shyly, kneeling down in front of Naruto, as Naruto was sitting flat on his ass. She reached forward, slowly wrapping her small hand around his huge monster.

"Ah!" Naruto moaned, another wave of pleasure shooting through him. Asia slowly moved her hand up, and then down again, sending wave after wave of pleasure through Naruto's body. With the 1000x sensitivity multiplier, it only took a few more seconds before Naruto's cock was twitching, line after line of cum shooting outward.

"O-Oh!" Asia blushed as the white fluid shot out, covering her clothes and face. She shyly raised her hand, wiping the sperm off her face and licking it off.

"We're all stronger now, but only by a little," Rias spoke up, "If we want to be ready in time to take down Riser, we'll have to doing this day and night!"

"Don't worry about time, Rias," Akeno said, a mischievous look in her eye as she held up the tome, "This is a succubus tome! It's only a bit of energy now, but the more control we have over Naruto-chan, the more we'll get!"

"Control?" Rias asked questioningly. 

"You'll see! Koneko-chan, go again!" Akeno giggled. Koneko nodded, walking forward so she was towering over the out of breath Naruto. She raised her foot up, positioning her bare foot in front of his. Then, she slammed it forward, pressing it into the front of Naruto's face.

"Lick it, perv," She said bluntly, and Naruto quickly obeyed. His mind was too riddled from the thousands of time stronger sensitivity, and he could barely think. His tongue came out, and he licked up and down the sole of her foot.

"You like that, perv?" Koneko asked, a look of disgust in her eyes as she looked down at him. Naruto nodded rapidly, his tongue lapping at her foot like a dog.

"Pathetic. You look like a dog," Koneko said bluntly, pushing her foot further into his face as he licked it desperately, "Thank me, pooch."

"Ttthhank yoouu!" Naruto's muffled voice came out, his hips humping into the air as his dick twitched with pleasure.

"Ufufu, that's 'thank you, Koneko-sama'!" Akeno corrected placing her hand behind Naruto's head and pushing his face into Koneko's foot.

"TTtthank youuuu Koneko-sama!" Naruto said, his words slurred and muffled as he eagerly sucked on Koneko's sole. As he spoke, his hips thrusted forward into the air, his cock twitching. Then, the tip started leaking, white liquid dripping out and onto the ground as Koneko glowed blue.

"That was more effective?" Rias asked, looking at Koneko. The stoic woman nodded.

"It was about twice as effective," Akeno said, gesturing to Koneko, "She's about 20% stronger than before. You should try now, Asia-chan."

"M-Me?" The blonde woman blushed, glancing down at Naruto's huge member again, "I-I don't know if I could do that…"

"Ufufu, I'll help you," Akeno giggled. She grabbed the girls shoulder, turning her around so that her back was to Naruto. Then, she lifted her skirt, revealing her panty-clad huge ass as it sat right in front of Naruto.

"Do you like her butt, Naruto-chan?" Akeno asked mischievously, grabbing the back of his head again and pushing it toward Asia's rear.

"Y-Yes!" Naruto stuttered, his head moving toward Asia's ass, as if being pulled by gravity. As his face was mere inches away, Akeno gripped his hair, stopping him.

"Do you have no manners, Naruto-chan? You need to ask before just sticking your face in a woman's butt!" Akeno giggled, teasing him. Naruto nodded shakily, his cock hard and twitching from being so close to Asia's huge rear.

"C-Can I feel your butt, Asia?" He said shakily, his dick in pain as he was so close, but not able to feel the girls soft, bubbly ass.

"Did I say ask? I meant…" Akeno leaned down, her breath blowing onto Naruto's ear, "Beg."

"P-Please let me feel your ass, Asia-sama!" Naruto said, staring desperately at her ass as his cock twitched.

Asia blushed, pushing her hips back so her ass was a mere inch from Naruto's face now, "G-Go ahead…"

"No, you can do better than that," Akeno giggled, holding Naruto back as he tried desperately to bury his face in Asia's soft cheeks, "Beg harder!"

"P-Please let me feel your soft, amazing butt, Asia-sama!" Naruto said, drool coming from both his mouth and his dick as he was so close, "P-Please!"

"You want to stick your face in there?" Akeno teased, her hands running up and down Naruto's body.

"Y-Yes! So badly!" Naruto spit out, his eyes staring directly at Asia's cheeks.

"Your dirty face was just all over Koneko-chan's foot, and you think you deserve to stick it in Asia-chan's ass?" Akeno continued, her lips nibbling at Naruto's ear, "Mutt's don't deserve that much, Naruto-chan! But… ass kissing might be perfect for you. Say, 'Please let me kiss you, butt-sama!'"

"P-Please let me kiss you, butt-sama!" Naruto moaned, his body going crazy from Akeno's words, hands, and being so close to Asia's ass.

"Good boy," Akeno grinned, letting go of Naruto's head, "Give it a kiss!"

Naruto's face flew forward, his lips pressed into Asia's soft ass as his face sunk into it. His body exploded with pleasure as his lips pressed into her smooth skin, and his his cock twitched, cum flying out as it coated the floor of the ORC Clubroom. A moment later, Asia glowed blue.

"W-Wow," Asia stuttered, looking down at her body, "I feel so much stronger! Way stronger!"

"That much?" Rias asked, looking the girls body up and down. Akeno nodded at her words, pulling out the tome again.

"She has about… 50% more energy than before!" Akeno nodded.

"Wow," Rias muttered, looking at Asia with a mixture of appreciation and jealousy.

"Don't worry, Madam President," Akeno giggled, "We can get you even more than that by…"

Akeno trailed off, her hand swiping across the tome again. A magic circle glowed on it, and then Naruto's crotch was consumed by a blue light.

"W-What was that?" Naruto asked, his breathing ragged as Asia took a step forward, letting his face fall out of her perky ass.

"I'm wondering the same, Akeno," Rias said, looking at the black-haired woman.

"A denial spell," Akeno supplied, "Until I give the word, he won't be able to ejaculate. All that energy will just keep building up!"

"Well done," Rias nodded, stepping forward and towering over Naruto. She pressed her foot forward, the top of her foot squishing Naruto's cock in between it and his stomach as he let out a pleased grunt.

"I can do whatever I want without worry," Rias chuckled, leaning down so her large breasts flopped in front of Naruto's face. Then, she slowly started unbuttoning her shirt, revealing her porcelain white breasts to him.

"Ah… ah…" Naruto huffed, his face flushing as his hips jerked against her foot. Wave after wave of pleasure rolled through him as Rias teased him, unbuttoning her shirt agonizingly slow.

"You're so lucky," Rias said gently, pulling off her shirt and revealing her breasts, which were only partially covered by her bra, "Do you know how many men would kill to be in your position right now? My breasts are practically a national treasure at Kuoh Academy…"

Naruto grunted, a wave of pleasure flaring through him from her words. His hips jerked forward again, and his breathing started coming out in heavy bursts as his body desperately tried to cum, but wasn't able to.

"P-Please…" He groaned, his balls desperate to release his load. In response, Rias just chuckled again.

"Not yet! You haven't even seen the best part yet!" With that said, she slowly pulled down her bra, revealing her perky nipples to him. Naruto nodded, his body and cock twitching just from the sight. His mouth started salivating, staring at her huge red nipples hungrily.

"Now, build up lots of energy for me, Naruto-chan!" Rias chuckled, grabbing the back of his head and shoving it forward. She buried his face in her breasts, Naruto's body twitching and spazzing as she did.

Naruto felt like he was in heaven as the two huge, perky orbs of flesh consumed his vision. They squished into the side of his face, filling his head and body with wave after wave of pleasure. His hips jerked forward, strands of pre-cum leaking from the tip of his dick.

"Do you like my boobs, Naruto-chan?" Rias asked gently, smirking as the mans face was contorted in pleasure, his eyes glazed as he desperately humped her foot.

"Y-Yes! I love them!" Naruto shouted, his voice muffled in her flesh.

"Do you want to suck on them?" Rias asked, giggling as Naruto's eyes lit up like a kid on christmas.

"Yes! Please let me!" He begged, his eyes staring up at her pleadingly.

"Do you think we have enough energy built up, Akeno?" Rias asked, glazing back at her Queen, who nodded.

"Then, here you go, Naruto-chan!" Rias giggled, reaching up and fondling one of her breasts. She tilted it downward, pulling Naruto's head back and positioning it at his lips.

"Enjoy yourself," Rias giggled, and Naruto quickly opened his mouth, wrapping his lips around her red nipple. His mouth started tugging on her skin, his lips sucking her nipple like a baby. At the same time, Akeno walked behind him, her mouth positioned right behind his ear.

"Cum!" She said abruptly, and Naruto's hips jerked forward. His mouth started sucking on Rias's breasts even more desperately, eliciting a soft moan from her as his hips jerked back and forth. Spurt after spurt of cum came flying out from his member, covering the floor again..

Rias smiled cockily as her body glowed blue, watching Naruto desperately suck on her breasts, "To think we would've had to train so hard to get this type of power before, and now it's just this easy!"

"Thanks, perv," Koneko nodded, staring stoically at Naruto.

"Stop hogging him, Rias! It's my turn now!" Akeno said lightheartedly, and Rias nodded as she stepped back. Akeno swiped her hand across the tome again, and Naruto glowed blue.

"You can finish whenever you want now, Naruto-chan!" Akeno giggled, turning around and pulling up her skirt so her fat, round, perky ass was right in his face.

"But, by whenever you want… I mean now!" Naruto didn't even have a second to process her words before her huge cheeks of flesh slammed backward, consuming his vision and pinning his head against the wall behind him.

A second later, Akeno's legs surrounded his penis, one on each side as it flopped in between them. She pressed her legs together, trapping Naruto's member between her calves. All of this was too much for Naruto's 1000x sensitive body, and he let out a moan as a strand of sperm shot out from his cock.

"Keep going," Akeno giggled, not even letting Naruto finish ejaculating before she pulled her ass away from his face. Then, she slammed it back again, a slap ringing out as the huge cheeks slammed Naruto's head into the wall again.

Naruto's hips jerked forward again, his cum shooting out with renewed vigor as he desperately humped at Akeno's calves. His body started twitching, his arms shooting up and wrapping around Akeno's waist as he struggled to keep sitting upright.

"Ara ara, good boy," Akeno giggled, pulling her ass away from his face again, and looking back at Naruto. His eyes were glazed over, his face red, and his eyes desperate to continue drowning in her ass. She gave him his wish, slamming her hips back again and burying his face in her ass.

As she did, another slap resounded in the room, the wall behind Naruto cracking slightly from the impact. If it had been any other man, they might have suffered a concussion from the power of Akeno's juicy ass, but luckily Naruto was far from a normal man.

"Keep going," Akeno giggled, watching as Naruto desperately humped her calves. She continued pulling back her ass, and then slamming it into his face, watching as strings of cum came out every time. As she did, her body glowed blue, and she let out a pleased moan.

"See, Rias?" She asked, a smirk on her face, "That only took a few minutes, and I got more than twice as powerful!"

"Well, then you need to stop hogging him!" Rias huffed, stepping towards Akeno, "You can't become stronger than your master, so give me a turn!"

"Relax! You're so cute when you're angry," Akeno giggled, causing Rias to let out another huff, "I'll give you a turn. I hope you're comfortable down there, Naruto-chan, because I've been looking for a new chair!"

Akeno reached down, grabbing Naruto's hands as they clung desperately to her waist and pulled them off. With his support gone, Naruto started slumping down against the wall under the weight of Akeno's ass. Akeno pressed down, pushing Naruto further and further down until the woman was no longer standing, her fat ass resting comfortably on Naruto's face as he stared up into it.

"Go ahead, we can all get in on this energy," Akeno said, gesturing to Naruto's twitching cock as it continued to leak out energy and cum like a broken faucet.

Naruto let out a moan of pleasure as he suddenly felt something on his cock. That something turned into two somethings, and then three. In front of him, Rias, Koneko, and Asia all pressed a foot into his member.

He continued to twitch and shake, his cock leaking even more cum as it continued to flood out all over their feet. HIs hips jerked, his breathing heavy as his face was consumed by Akeno's huge ass.

"One more big load, and then you can rest, Naruto-chan," Akeno giggled. She lifted up her feet, pushing all of her weight on Naruto's face as she sat completely on it. Her feet moved down, wrapping around his cock and joining the other three.

Naruto moaned, pleasure shooting through his body as their feet continued to play with his cock and Akeno's huge booty pressed down on him. He jerked his hips, spurt after spurt of cum leaking out and covering their feet. He continued leaking out cum for nearly another two minutes, until finally, his cock gave another twitch. A final drop leaked out, and his body slumped under Akeno's weight, too exhausted to keep going.

Akeno giggled, standing up and looking down at Naruto. The blonde haired mans face was beet red, his breathing ragged, but he had a huge, stupid grin on his face. His body shook, his dick twitching as he laid in a pile of sweat and sperm.

"Don't be too happy, Naruto-chan!" Akeno giggled, looking down at him, "Ufufu, this is far from over. You'll be having fun with us for the next week, power tank-kun!"

Naruto didn't respond, his body merely twitching in pleasure at the idea.

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This will be a femdom only story. Sorry for any grammar mistakes, please tell me if you see any. Also, this was inspired by the works of Doskoinpo.