Disclaimer: First Chapter
Story Start!

He was the couch.

This was going to be a hilarious prank, something that would be amusing for him. He asked Sirzechs not to tell anyone his therapy was over now and he was in the human world, 2 days before he would be joining classes. So everyone just assumed that Naruto was still in the Underworld with the others.

'They don't even realize I'm here.'

He was the couch that Koneko and Asia were sitting on, while Asia talked with Rias about how her last contract with Koneko had gone. Nobody was even clued in to the fact that the very couch underneath their butts was actually Naruto. That he could feel them through his couch-ie exterior, able to feel their butts.

He didn't think this through a lot.

The Turn into Thinggs technique (temporary name) was great for infiltrations, but it was also great for stealth pranks that he could pull off at the top of a hat. He could feel each part miniscule part of the curves in their asses. Koneko's ass was smaller, more tightly rounded, but the athletic muscles in her ass made it actually softer than Asia's ass. At the same time, the fat content of Asia's ass was higher so it had more size to it, and it gave off a more cool sensation. It wasn't as soft as Koneko's ass, but that wasn't to say she had a hard ass. It was soft in a different kind of way.

He didn't think this prank through enough.

He was so going to get punched for letting them sit on him for so long, if they discovered it was him at least. He was going to have to rework his prank, since this was a surprise prank that had yet to be unleashed.

"Issei told me men are wolves when I tried to take a bath with him... a friend from class told me that skinship was normal for a healthy relationship."

Oh?

"It is... between girls, it's less normal for guys and girls, or guys and guys in human society at least. Skinship is considered very normal for our culture." Rias had no problem with nude skinship between herself and any member of her peerage. Her society didn't place nearly as much value in nudity as humans did. She flipped the pages in her reports from her brother, and she smiled when she saw that Naruto had finished his therapy.

He would be in the human realm in 2 days when he transfered to their school, meaning that she had two days to prepare herself and regard her actions for a good move. The surprise visit from Naruto where she tried to show off her peerage to him ended with failure, but at least Naruto made a good impression to her group. That seemed to hold a bit more respect for him than just the way she described him to them.

It was just the girls in the room.

On her orders, Yuuto was helping Issei train himself to use his Sacred Gear, so the boys were out of the room. She could help Issei herself, but since Issei was a pervert she didn't want Naruto to get the wrong impression of what her spending extra time with him could mean. It was a shame really, Issei was a good boy underneath his desires, and she would have liked to take a more active role in introducing him to good training.

Rias loved training and putting her peerage through training.

The more demanding the training, the better the results, and she LOVED to get results from training. She didn't do a ton of training personally other than learning to properly focus her Power of Destruction, and learning basic magics. She was born with a high class body, so strength training didn't do a lot for her, so she stuck to very basic health oriented physical training. Physically speaking, Akeno, Yuuto, and Koneko were all physically stronger than she was, but her magical powers still made her stronger than all of them in combat at the moment.

She was a Power/Wizard type in battle, with no Support skills at the moment.

"Oh..." Asia seemed saddened by the knowledge that she had made a mistake.

Naruto was the couch.

'Issei is a lucky man, this is a nice butt... but I need to focus... how am I going to prank them without them realizing it was me?' Naruto thought, regarding his current situation as rather troublesome. Mostly because he didn't make it a habit of thinking these kinds of things through all the way when he was in a "go with the flow" kind of mood.

"Just get naked, and sleep in bed with him. He will do the rest of the work."

Koneko's suggestion wasn't for Asia to have sex with Issei, and while it was perverted, it was just so that she could cut the conversation short. She just didn't care about this love life talk that was going on, since she would rather not think about Issei naked if she could help it. It was bad enough that she was sure Issei thought about all of them naked frequently, when there were very few people she wanted to have those thoughts about her.

As flattering as it was to be found attraction, being found attractive by mostly perverts didn't exactly boost her self-confidence. It just made her feel like it was only deranged perverts that could be attracted to her body.

When the only people that comment on how sexy you were are perverts, it does NOT make you feel that much better.

"I could never do that... I mean... not right now." Asia corrected herself, since part of her was really curious about how much she wanted to do it. She didn't have any competition for Issei, she just wanted Issei to confess to her. Rias seemed to have no interest in the boy, and neither did Akeno or Koneko. All the girls in the school were repelled by the boy, so she knew that she could take her time getting him to notice her as a woman.

Naruto was the couch.

He was hearing this entire secret conversation right now, and the longer the conversation went on the more he was realizing this was a bad idea for him. Bad ideas like this were up his alley, and he was well suited for getting himself out of these kinds of messes.

"The couch feels different... it feels... better than usual." Koneko noticed, since for some reason the couch seemed a lot better. It was like she could feel it was firm and soft in all the right places, much better than the usual couch that was worn down from years of use. It was like an entirely new couch. She pushed her ass deeper into the couch to get even more comfortable, and leaned backwards so that she could enjoy it further and further.

"Really?"

Rias got out of her chair and walked over to the couch, before she sat down next to Koneko, between herself and Asia.

Naruto was the couch.

Rias had a much bigger ass thanks to her wider hips, and it had a completely different feel to it than either Asia or Koneko. Rias did some training, but not really as much as Koneko, so the feel of her ass was a lot less muscular softness, and focused completely on subcutaneous fat with a good base for size. It was softer than Asia's ass, but not as soft as Koneko's ass. It had more size and give to it at the same time, a more elastic property that gave it a "more to grab" kind of feeling without it being unattractive due to higher fat content.

"You're right, it does feel better than normal!" Rias exclaimed as she got comfortable on the couch, rubbing her ass against it as she got herself dug in deeper.

Naruto was the couch.

In relative position to his body, Koneko was currently sitting on his face, Rias was sitting on his chest, and Asia was sitting on his waist. That was the way that he could feel it against his body at the very least. It was a funny feeling to have 3 girls sitting on him, getting comfortable as they rubbed their asses all over his body.

He had become couch.

For a person like Naruto who was used to transforming himself into weapons, rocks, dogs, other people, and whatever he could get away with he was very used to pretending to be what he was pretending to be. This was a different kind of tranforming situation he had found himself in, where his prank was backfiring on him.

"That comfortable huh?" Akeno asked as she set her tea tray down, and sat on Asia's other side.

Akeno had the biggest ass, it had the least muscle content, the most fat content, but was somehow the softest ass as well with the least give to it. Her ass was like an elastic pillow that wouldn't easily give, and would always return to it's shape. Instead of muscle softness, it had pillowy marshmellow softness to it. It was cooler in temp, slightly bigger than Rias's ass, but the muscles that were there were formed years previously. It was a late of current muscle training, but a foundation of early life muscle training that made this ass unique. It was the ass of a sadist, a woman that could smother a guy with her ass and choke him out.

Koneko's ass was the ass of an athlete.
Asia's ass was the ass of a person who spent a lot of time outside, in the sunlight.
Rias' ass was that of a girl who did basic training to stay in shape, but had good genetics.
Akeno's ass was of GREAT genetics, and early life training for a good foundation built for Maso-Sadism.

The Athlete, the Normal Girl, the Seducer, and the Pervert.

"This is way better than normal, it's almost like I'm smothering a person."

Naruto was a couch, and couch's did not have dicks, but in relative position Akeno was smothering his dick with her ass. It was ONLY because he was a couch that he didn't get extremely rock hard at the moment. He currently had four girls rubbing themselves on him, and because he was sure he would get punished, he couldn't turn back to normal and reveal the prank.

The prank was to transform back and let everyone freak out.

That prank backfired on him, because now he couldn't turn back without being called a massive super pervert for it. It was taking every part of his willpower not to drop the transformation simply due to how aroused he was at the current situation, and the fact he could literally feel the different kind of panties they were wearing. Asia was wearing innocent, Akeno had a barely there thong, Koneko was wearing side-tie panties, and Rias was going see through where the fabric was thin around her butt.

Naruto was the couch.

Naruto STAYED the couch until everyone went home late into the night, and it was only then that he dropped the transformation and replaced the couch with the original couch. He never once allowed himself to transform back, even when he spent 8 hours having asses rubbed all across his body.

Prank failed.

He would try again tomorrow.

Chapter End!
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