"Those are Tsubaki's breasts," Sona said.
Harry was still standing behind Tonks, who was in the form of a perfect copy of Sona, bent over and fresh off a round of doggystyle lovemaking. The situation was already thoroughly awkward. Honestly, Harry hadn't had a clue what the first words out of her mouth were going to be. He still hadn't expected it to be those ones.
Maybe most surprising, she'd recognized her Queen's tits with a single glance.
"38D bra size," Sona said. "I would recognize that size anywhere. But why are they on MY body?"
She was more fixated on this than the fact that Tonks could shapeshift. Either Rias had given Sona advanced information on them, or Sona just had warped values. Harry was leaning toward the latter option.
Tonks was the most immune to the awkwardness of this, possibly because her brain was still a little bit hazy on account of how recently Harry's dick had been plunging into her. Tonks actually smiled at Sona.
"Hey, I was just spicing things up a little bit—"
"Tsubaki's breasts are not better than mine." Sona cut Tonks off, talking like a robot. "There is no benefit to additional size. My own mammaries retain every bit of functionality. In addition to this, there are many benefits that are carried by smaller sizes."
"Uh…" Tonks said.
Sona was still going: "Smaller breasts offer increased aerodynamics when in flight. I've beaten Rias in every race since we hit puberty, solely off of this deciding factor. My slender figure also means that I constitute a smaller target than the likes of Akeno, making me more elusive in rating games. A lack of bouncing oversized breasts makes stealth easier. And, on top of it all, my breasts can do everything that bigger ones can do."
Sona said all of this without taking a breath, to the point that her cheeks started going pink from lack of air.
"Okay," Harry said. "We understand, so please Sona, just relax—"
His words weren't heeded as she glared at him. "Everything!"
Harry and Tonks were both rendered silent as she raised her voice for the first time. She didn't do it when she walked in on Tonks using her body to have sex… No, it was only when she thought her small tit supremacy campaign was being questioned.
"You don't believe me," Sona said, sounding suddenly dangerous.
"We believe you," Harry assured her. "You brought up some great points."
"They were excellent points, but you aren't convinced. I bet you think I can't even pleasure a man with my tits! That's what you're thinking right now, isn't it!?" Sona said.
"Of course not," Harry insisted.
"I'll be honest, I was totally thinking that," Tonks said. She'd finally reverted to her usual pink haired appearance, long after the damage had been done by her shapeshifting antics.
"You need a demonstration, then," Sona declared.
Sona yanked the ribbon at the neck of her uniform loose. She then grabbed that uniform and ripped it open, showing her lacy bra to Harry and Tonks. As Sona marched forward, she let her uniform top fall down around her waist, undoing her bra and tossing it away.
She gave Harry a fierce shove, empowered by her strong emotions, and easily pushed him back onto the couch where they'd done their lessons. Sona dropped to her knees in between Harry's legs while he watched her with a bemused expression.
Sona started to laugh. It wasn't a cute giggle, or a contained chuckle. No, she sounded like a mad scientist who belonged in a laboratory.
"I've done all of the calculations. Through extensive trigonometry, my breasts can even cause male ejaculation all on their own! Behold!"
Tonks did as she was instructed, actually looking extremely curious as she hid behind Sona.
Sona put her hands on her breasts, molding them into a certain shape. She leaned forward, tilting her chest at a specific angle. It looked very well thought out, at least. Sona pushed her breasts, straining them as far as they would go around Harry's wet penis.
When she'd gotten them to go as far around him as they could, she started moving up and down. She continued doing this, working so hard for so long that she started to pant.
Harry will give her credit where it's due… She'd maximized what nature gave her. Every single one of her motions was perfect for bringing out what potential her breasts had. They weren't even THAT small… Sona was just surrounded by titty monsters.
All of that said, it wasn't working. She couldn't get enough of them around Harry's penis to pleasure him properly, leaving her toiling for nothing.
"Sona…" Tonks said. "Just use your mouth."
"NO!" Sona said. "I can do this! I… I… I ran the calculations! This can't fail! He— He's just too big! If Harry's penis was a little bit smaller—"
Tonks touched the back of Sona's head while she was ranting. Sona's titjob came to a sudden as Tonks shoved her forward, forcing her mouth onto his dick.
Sona released burbling sounds as she was held face down in Harry's crotch, coming to terms with the dick that was now in her throat. Tonks kept her there for an almost concerning amount of time, smiling brightly, before she let Sona up.
When she did allow Sona to raise her head, it was only so she could push it down again.
"See? This is much more effective!" Tonks said gleefully.
Harry, who had been looking politely entertained when Sona was giving the titjob her best effort, was now moaning. Sona had a particularly slippery throat. He even wondered if it was connected to her family's affinity for water.
Sona desperately held onto the sides of Harry's thighs as Tonks plunged her head up and down. At some point, Sona's glasses had been jarred so that they were sitting at a slight angle across her nose. She was only able to breathe through her nose, so Harry could see them flare whenever her head came up.
"He's about to cum!" Tonks said. "Did you hear that moan he just made? When Harry sounds like that, he's getting close. Isn't this so much better than messing around with those titties of yours? We girls have to use what we're gifted—you know, unless you're a metamorphmagus like I am. You, Sona? You don't have tits. But you've got such a great mouth! I knew you would, after listening to you talk and talk and talk all day…"
Harry frowned as he considered the idea that Tonks was taking out her studying frustrations on the tutor who was kind enough to help him. He couldn't even stay stern for a few seconds, however, as Tonks had been correct: he was ready to cum.
His semen came out of Sona's nose.
Tonks helped her get her head off of Harry's dick. Sona tried to breathe in deeply, but Tonks grabbed her bottom jaw and closed her mouth.
"Swallow first," Tonks said.
Sona squeezed her eyes shut and gulped down everything she had been given. Her glasses were still skewed and you could see cum dripping out of one of her nostrils. She looked like a mess, frankly; nothing like the young lady of one of the 72 Pillars prominent clans.
Although as he said that, Harry considered Rias and Ravel, the other two he'd met… And considered that perhaps Sona looked MORE like the norm in this state than she had acting as a tutor.
Tonks dropped to her knees behind the pureblood devil. She reached around Sona's body and played with her little breasts, rubbing them in circles. Tonks placed her chin on Sona's shoulder so that she could whisper in her ear.
"Look at Harry. Do you see the look on his face? That means he wants you," Tonks said. "You're hot, Sona. Forget about your tits. They don't have to wrap around any dicks! Just use what you have. Your mouth. Your looks. Your… pussy?"
While she spoke, Tonks's hands traveled down Sona's stomach, dancing toward her crotch. Once again, Harry was reminded why Tonks and Fleur got along so well. These girls and their kinks.
After a push from Tonks, Sona stood up. Tonks remained kneeling behind her and in one quick move, pulled Sona's skirt down. Sona was wearing surprisingly cute panties underneath, the only clothes that were now clinging to her body. There were little ducks stitched into the front, right over her pussy.
"This is e-embarrassing," Sona complained.
"Don't think like that. Just enjoy it," Tonks cooed.
Harry stood up. He was a good bit taller than Sona. He reached behind her and grabbed her ass. Surprisingly, he found that Tonks hadn't exaggerated at all. Sona was carrying around a secret dump-truck under her skirt, which he used to lift her up into the air.
Harry's dick pressed into Sona's pussy lips from below. She made an eager whimpering sound.
"Fuck her!" Tonks exclaimed.
Harry thrusted into his tutor, clapping those curvy cheeks of hers even while he held onto them. The jiggle that passed through Sona's globes was immense. Having seen the fortitude devils could display, Harry did not hold back.
Sona was clearly less used to erotic activities than Rias and Akeno were. After being with so many women, Harry could tell by paying attention to the little things, like the way girls would shiver or moan when they were inexperienced. Sona might've even been a virgin, which would match her personality. If so, she'd had some experience with toys, because Harry's dick slid in without any resistance.
Harry's eyes were drawn downward as he caught sight of some motion. As he said before, Sona's tits weren't actually THAT small, she was just thoroughly outcompeted. She was bigger than Koneko, for example… Although Ravel had her beat.
Anyway, Sona's breasts were actually bouncing! There was real motion as Harry thrusted into her. Sona's legs stuck out in straight lines past Harry's body, her toes curling as she was fucked hard, beginning to cum. Harry lifted her higher so that instead of being at eye height, his head was level with her breasts.
Once he was there, Harry sucked on them.
Sona gasped. She was taken aback, but Harry enjoyed them without hesitation. He sucked so hard that they distended, pulling toward him.
It was this action that gave Sona her first orgasm. What an orgasm it was, too. Sona squirted so hard that Tonks let out an impressed whistle as it managed to spray AROUND Harry's thrusting dick. Again, he wondered if Sona's squirt potential had anything to do with her water abilities.
"Look at that. He DOES like them, Sona!" Tonks said. "We just had to find a different purpose for those titties than trying to wrap them around a dick like Harry's. Now… I'm getting bored!"
That declaration was the only warning that Sona received before Tonks, who was still kneeling behind the fucking pair, dug her tongue into Sona's ass, rimming her while Harry was still fucking her.
Sona's pussy was penetrated, her ass rimmed, and her tits bit all at the same time. Her next orgasm arrived faster than the first one had. She came a third time after that, and every climax left juices dribbling onto the floor.
"Mmmm… Ah! MM! AH!" Sona squealed. She moaned until her voice was going hoarse, casting doubt on whether their tutoring session tomorrow would even be possible.
Harry was content to worry about that tomorrow. He might not've held a grudge over their tutoring session the way that Tonks seemed to have earlier… But he couldn't deny there was a pleasure in watching the straight laced Sona melt for him. Her torso went limp, leading to her leaning so far back that her face tilted toward the ceiling, only Harry's grip on her ass keeping her from falling backwards.
At this new angle, Sona's latest orgasm followed a different path, hitting the couch and leaving a stain. Given all the action that the Occult Clubroom had already seen since Harry arrived in Kuoh Town… It was safe to say the furniture was going to be getting a lot of stains. Or, a lot more than it had already received.
"Cum in her!" urged Tonks, who'd just pulled her mouth away from Sona's ass.
She learned about devil's low fertility rates through engaging in orgies with Harry, Rias and Akeno, so she was well versed in how safe that option typically was. There was really no reason to pull out, so Harry simply dumped a thick load directly into Sona.
Before he could even think of pulling out, Tonks got her face underneath Sona's crotch, plugging it up with her lips and guzzling whatever leaked out, be it Harry's cum or Sona's discharge.
Tonks didn't remove her mouth until she'd drunk all of it.
When Tonks leaned back, kneeling with a big smile on her face, her lips glistening with clear juices, she looked up at Sona and Harry.
"Can we unwind like this after every session?" she asked eagerly. "Hey, maybe Tsubaki can come next time!"
Sona was limp against Harry's body, her head now resting on his shoulder and all her limbs hanging down. She could only groan, her eyes half closed from exhaustion.
"Great!" Tonks said, as if Sona had agreed wholeheartedly.
Harry shook his head. They were going to have to streamline Sona's original study plan extremely heavily… Because he had a feeling they weren't going to get many actual lessons in.
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