"O-OOOOOH F-FUUUUUUUCK MEEEEE!!!"
The crass word out of the normally stoic and composed young lady's mouth was certainly a treat that Issei cherished and he showed Sona his love by speeding up the pace, beginning to fuck her tight little butthole with everything he had. Considering who and what Issei was, everything he had turned out to be far more than Sona could handle for long.
As he railed into her back door, Sona's eyes rolled back in her head and she began to cum again and again around his cock. Each time she felt like she was recovering from one explosive orgasm, another would hit until the Sitri Heiress was an utter mess, her legs and the bed beneath her covered in her pussy juices, and her entire body covered in sweat as she mewled gibberish down into his pillow, nuzzling it and barely managing to stay awake.
It was only after Issei had turned Sona into a fucked senseless puddle that he finally came again, pulling out of her loosened ass at the last second in order to cover her entire naked back with his seed, staining her hair white and getting his thorough sticky glaze all the way down her sweaty spine and onto her perky posterior.
Sona lay there, looking utterly undignified with her ass in the air and her face buried in his pillow. Issei blinked, looking at her in silence for a moment before realizing he could hear a faint muffled snoring sound. He'd literally fucked the prim and proper young lady to unconsciousness. Grinning widely at accomplishing that feat, Issei turned to regard the two hot and ready babes in the room that WEREN'T asleep. Not that Issei thought Sona would mind if he just kept on fucking her while she slept, in fact he imagined she'd welcome it. He just had a personal preference for a teensy bit more life in his playmates then a snoring ragdoll.
Rias was still pinned under Ddraig, but a snap of his fingers saw the content and satisfied dragon girl transported back into his soul and mental landscape. Issei could feel Ddraig get comfortable in there, the metaphysical equivalent of setting herself up on a comfy couch with an alcoholic beverage as she looked out through his eyes, eager to watch what he was about to do to the frazzled and all too horny red head.
The Gremory Heiress slowly rose from her position on her back to look at him, eyes wide and mouth agape as she breathed in and out. Her large rack heaved up and down right before his gaze and Issei couldn't help being drawn to her big bountiful breasts, licking his lips and stepping towards her. Rias was quick to meet him, moving to her knees and crawling forward before offering up her massive mammaries for him to make use of.
Issei wasted no time in offering her his big throbbing cock, still quite hard and still quite ready to go. He grinned down at the red head as she went cross eyed trying to stare down the barrel of his 'gun' and then he groaned when Rias wrapped her large tits around his messy cock and began to slide them up and down. Issei stepped back and Rias was quick to move forward with him, never letting his massive member escape from between her breasts as he moved backwards until he could sit down on the bed behind him again.
From there, the young man simply relaxed, stroking a hand through Rias' red hair and smiling down at her as she focused so totally and utterly on his cock. There was this cute concentrated look on his face that made him want to pin her down and fuck her right then and there, but for now he held off, allowing her to suckle the tip of his member into her mouth while she continued to give the rest of his shaft an exceptionally done boobjob.
This continued on for some time, until eventually Issei just couldn't hold himself back anymore. Rias let out a slight yelp of surprise as his hand in her hair turned into a gripping fist and he pulled her off the floor, tossing her onto the bed. The Gremory Heiress looked beautiful in that moment, her insanely curvaceous body on full display as she lay there, her hair framing her beautiful face and deep blue eyes, her legs spread invitingly to show off her wet pussy and her arms stretched out to him to welcome him into her embrace.
Of course, Issei didn't want a tender, loving embrace right now. Grinning mischievously, the draconic young man reached out and grabbed Rias' legs, causing her eyes to widen as he pulled them up and then began to push them back. Her arms ended up anchoring her legs in place as Issei forced her to the limits of her flexibility in order to stick her ankles behind her shoulders. Once he'd done so though, Rias' beautiful body and tight holes were perfectly framed right before his eyes.
Her massive tits were squished together and on full display as she blushed prettily at his hungry gaze and Issei decided to start there even as he guided his huge cock into her needy cunt almost as an afterthought. Rias cried out, instantly climaxing around his thrusting member just like Sona, but Issei was totally and utterly focused on her tits, groping and squeezing one while at the same time suckling, nibbling, and licking at the other.
He moved back and forth between them even as he continued to plow Rias senseless in the lovely mating press position that he had her stuck in. The red head made her pleasure known quite vocally, screeching to the high heavens loud enough that Issei was sure that Sona would wake up and come back looking for more. It was a testament to just how badly he'd exhausted the young woman that she didn't though, still snoring peacefully in her face down ass up position.
Fucking Rias long and hard, Issei alternated between suckling at her massive tits and staring into her face as she swiftly transformed into the wanton slut that he knew and loved, begging him to fuck her harder, to fuck her more, to use her and abuse her. Issei made sure to give the Gremory Heiress exactly what she wanted, and by the time he finally came inside of Rias' cunt yet again, the red head was as out of it as Sona, her eyes rolling in her head and her voice reduced to a mumble as he pulled out of her creampied cunt and slowly tugged her legs out from behind her shoulders.
While tempting to leave Rias in the position he'd fucked her in just like he had with Sona, Issei knew that remaining in that position for too long could leave Rias seriously injured. In the end, he settled for his two lovely ladies laid out on his bed side by side, covered in sweat, seed, and pussy juices as they both slept soundly. Rias was laid on her back, showing off her big fat natural tits, while Sona lay prone, her perky posterior tantalizing even now where it hung in the air, only slightly up off the bed now.
Issei just smiled happily at the two young women, feeling quite content, even if they would probably have to go to school anyways after lunch, when Sona woke up and undoubtedly dragged him and Rias off to the establishment of education and learning.
For now though, Issei was hungry. He felt revitalized in a way, but not in a way that filled his stomach. It was a little confusing, these strange feelings he kept getting. It was like whenever he fucked a girl, he felt stronger, at least momentarily. Except… it didn't just feel momentary either. The more Issei thought about it as he walked from his room down to the kitchen, his mother and father out for the day already, he realized that things weren't adding up.
Sure, Issei had always been a pervert and a player. Sure, unlocking his draconic power and dominating Ddraig's hot voluptuous form had given him a massive boost in confidence. But he would never in a million years have dreamed of walking into the lion's den that was the Student Council before he'd dominated Rias, joined her peerage, and then fucked Akeno, Kiba, and Koneko into the ground as well.
The more he thought about it, the more Issei realized that his power had somehow been growing alongside his confidence. Fixing himself up a quick sandwich stuffed with meat and cheese, Issei reached inwardly towards his soul and grabbed Ddraig up, pulling the dragon girl out into the kitchen with him and offering her half the sandwich.
Issei could have just talked to Ddraig through their mental connection, but he preferred this. It felt more personal and more like he was treating Ddraig like her own entity rather than just an extension of himself. Also, the dragon girl was totally smoking hot and fun to look at. While Ddraig tore into her half of the sandwich, Issei bit more sedately into his, chewing and swallowing that first bite before voicing his question.
"Well Ddraig? What the hell is going on with me? I'm well on my way to making my dream come true, but there's more to it isn't there? There's something besides just gathering up a harem going on here. Maybe even something that's affecting my mind, influencing me towards taking more and more even if I might have been a bit slower on my own."
Ddraig froze up at that, before slowly chewing the massive amount of meaty sandwich she had in her mouth and swallowing it all down. Then she set down the remnants of her half of the sandwich on the table, barely anything more than a few scraps and crusts at this point. Licking her lips, the beautiful red dragon girl looked at her Master with piercing eyes.
"You really are a smart cookie Master. Yes, there is something going on here… something I never expected to happen again. It's been an awful long time since I was sealed in a Sacred Gear; so long I'd almost forgotten what life used to be like before that. None of my previous wielders have had the same synchronicity with my power and my soul like you do. They had a connection to the Sacred Gear and they could learn to use some of the basics of my strength to devastating effect… but nothing like this."
Issei frowned, a little confused, but he knew when to stay silent and let his faithful dragon girl explain what was going on. Ddraig took a deep breath and continued on.
"My Sacred Gear is called the Boosted Gear after my ability to Boost, something I learned a long time ago. In combat, I would use Boost to make my power explode outwards, causing it to balloon exponentially. One Boost would double my power outright, but two boosts would double that new doubled power, effectively quadrupling my original strength. And I could boost almost indefinitely, with only a growing cool down period between each boost keeping things from getting so out of hand I ended up destroying the Earth."
That sounded amazing to Issei, yet the young man could tell that wasn't all there was too it. Something must have shown in his face because Ddraig nodded.
"Yep, that's the most basic of the way my Boost ability could be used. All my wielders learn how to use it… but you haven't yet, mostly because you don't really need to. You've unlocked a different method of using Boost, one that in the long run will end up being far more useful. You've begun to hoard."
"Hoard? What like gold and treasure?"
Ddraig nodded at Issei's surprised question.
"Pretty much, though that it HAS to be treasure is a common misconception. Dragons like me hoarded any number of things. The important thing is, back when I was free, I utilized Boost to increase my power based on the size of my hoard and THEN used it to double and quadruple and exponentially increase my power from there. You're doing that instinctively Master."
Issei frowned even deeper, now thoroughly lost.
"I'm not rich or anything though, but you said a hoard doesn't have to be treasure. Does that mean hoards don't have to have any technical monetary value at all? What sort of thing have I been hoarding Ddraig?"
Here the dragon girl grinned, showing off rows of sharp teeth.
"Not a thing Master. Doesn't have to be a thing either. With that tidbit of information, you tell me what you've been gathering, collecting, and taking since you unlocked my power, hm?"
The young man's eyes widened as it suddenly clicked.
"My harem is my hoard!"
Ddraig grinned wider and nodded, giving Issei a thumbs up.
"Yep! You're hoarding girls! Cute girls too, pretty, beautiful young women, many of whom are virgins. You take their virginity from each of them; sometimes you take several virginities from each of them. Just conquering a delectable young lady for your harem seems to be increasing your hoard at the same time, but taking virginities and cumming inside your already tamed sluts also seems to be doing the trick."
"Huh… so I basically lucked into a harem of hot female devils?"
Ddraig shrugged and raised a hand up, tilting it back and forth as if to say he was kind of right, kind of wrong.
"Sort of. You instinctively went up the ladder rung by rung. This success wasn't entirely based on luck. You started out with the normal humans around Kuoh Academy, but you didn't really go as far as to conquer them. Still, taking their virginities and filling a few of them with your cream gave you enough strength to bring the Gremory Heiress to heel when she came knocking. Then you brought her peerage fully under your sway as well. That's what allowed you to ultimately stand toe to toe with the Sitri Heiress in her place of power, surrounded by her loyal servants. That's what allowed you to bring her and her peerage under your control as well."
Issei nodded slowly, scratching the back of his head as the normally confident young man grimaced.
"Jeez… this all feels like it came straight out of the plot of a mind break hentai. I'm like an overpowered jerk off main character from an erotic doujinshi or something."
Ddraig shrugged and went about eating the last remnants of her sandwich, speaking with a filled mouth as she did so.
"Your goal in life is to become Emperor of the world, for the sole purpose of living in comfort with an endless harem of girls all doting upon you. How sure are you that you AREN'T in a mind break hentai Master?"
Issei paled for a moment… and then shook his head and smiled, laughing as he bounced back almost immediately.
"Nah! That'd be ridiculous! Good one though Ddraig. Still, thanks for explaining how Boost and hoarding and my harem are all interconnected. I guess I know what I have to be if I truly want to conquer the world and become Emperor right? I've got to keep finding lovely ladies of increasing power to add to my harem!"
Ddraig nods along with a wide grin on her face. After all, the voluptuous dragon girl only loved one thing more than watching Issei fuck strong females into senseless puddles of pleasure and that was being fucked into one herself. Yet even Ddraig knew that despite her status as a metaphysical construct who never got tired, she still wasn't woman enough alone for a man like Issei Hyoudou.
Licking her lips as she felt her stomach gurgle happily from the slight meal Issei had just fed her, Ddraig did realize she was starting to get a bit randy. Walking around the kitchen island, Ddraig made sure her full body was on display before Issei's eyes as she licked her lips clean of the last bits of meat and bread.
"Mm, Master… all this talk has gotten me really horny~ Can you take care of me please?"
Issei's eyes tracked up and down her form as she ran her claws all along her breasts, sides, and wet mound. Her tail swished behind her and Ddraig grinned as she saw in Issei's eyes the moment when he decided to go for it. A second after that, the draconic young man leapt at her and the next hour or so until Rias and Sona woke up was spent with Issei making good use of his lovely dragon girl.
-x-X-x-
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