Caius leaned quickly into the kiss. He stopped harnessing his mana and dropped that hand to Arlette's thigh which he squeezed. He aimed to be gentle but the Fourth circle strength coursing through his body was all so new so he gripped harder than he originally planned.

This ordinarily wasn't a problem because Arlette was at a higher magic circle so she could endure his strength. However, because he was still in a shifted state, Caius's claws were out and unlike his human nails, they would easily puncture Arlette's skin.

He had to hurry to gain restraint and hold off on his hand clenching before this happened. Already, the tips of his claws poked Arlette's skin, causing her to suck in a breath during their kiss while her blood spiked at what was so clearly excitement.

While prying the tip of his fingers—and thus his claws—off Arlette's thigh, Caius was gripped by the scent of her blood. The puncture marks he had made in her neck with his fangs were still there and her blood seeped out of them in tiny drops.

He took his lips off hers then and let out his tongue to lap at the drops and, just as it had been with his other senses, it was though Caius was tasting Arlette's blood for the first time. It just tasted so good. He could all the better appreciate the enhancement of the Evolutionary charge within it due to Allegra's Manuscript.

Once he had licked up the juices, Caius pressed his fangs into the puncture marks again, opening them wider from the already clotting close-up so he could suck and draw out her blood in tiny jets that splashed into his mouth, much to Caius's delight.

It was as it had been when he drank the blood while still at the Third Circle; the richness was incredible. As it trickled down Caius's throat, the fullness of it was undeniable. The Evolutionary charge went into the metaphoric meter that needed to he filled for Caius's Evolution to the Fifth Circle because from right then on, that journey had begun.

Arlette wrapped her arms around Caius's neck and never returned her ass to the edge of her desk. In fact, she rested the entirety of her weight in Caius's hold and he was all too eager to support her.

To accommodate that though, Caius had to first control his shifting. He still had his fangs in Arlette's neck and wanted that to remain for now but, to keep that up, his claws had to remain so it took a lot of effort to sheathe his claws while keeping his fangs.

It was made all the harder by his Feral Nature which, for all the talk about letting it run its course so he could control it, Caius was never going to let it loose during a feeding such as this. If he let it loose, then he was sure to lose his sensibility and drink more than he should from Arlette or any of his other lovers.

So, just as he always did, he suppressed those feral urges and managed enough control of his shifting to sheathe his claws and grab Arlette's ass as hard as he wanted to while still having his fangs in her neck.

The feel of Arlette's ass was as wonderful as always but again, with his enhanced sense of touch, Caius felt he might as well be feeling it for the first time. Was it always so supple? So… perfect?

His memory said yes but considering he had never felt it as well as he was feeling it now, Caius was inclined to think he had never truly appreciated the ample peaks in his hands.

And all that was nothing compared to what he was feeling with his cock. The velvet softness around him in Arlette's insides felt so new, so different. But the good kind of different. The kind of 'different' that brought renewed urge for exploration.

As the taste of her blood continued to saturate his taste buds, Caius began to use his hold on Arlette's ass to move her and further heighten the intensity of the thrusts he began to deliver. He went slow at first but was quick to pick up the pace.

He liked going slow for intimacy but also liked it because it let him 'torture' his lovers with pleasure and build up their longing and craving for a wonderful, often over-the-top finish. However, at least in the case of Arlette, he knew how she liked it fast and hard. And he was well capable of that.

Much as the renewed/heightened sensitivity of his cock was driving him quickly to a release, Caius held it back and kept that moment away for now.

Back and forth his ass moved, thrusting his cock so hard over and over again against the end of Arlette's velvet tunnel. The movement Arlette herself was making at the time contemplated the thrust as it had the rod moving about inside her and striking certain, very sensitive spots in that pleasure cavern.

"Fuck… yes…" Arlette said with a bit of a raspy breath at the feeling. It was an interesting contrast to the sound of their bodies slapping so hard against each other and the reason for that was Caius feeding on her.

Feeling the blood drain out of her and into Caius's ever-thirsty throat, and the very notion that she was contributing to letting him feel—as he had stated earlier—incredible just had Arlette swooning and thus, her tone could only manage to sound so… smitten.

She still rubbed at the roots of Caius's hair encouraging him to continue but he couldn't drink forever and eventually had to pull away.

Of course, this didn't mean Caius was sated. Not even close.

Allegra had confirmed it herself when she created the Manuscript and offered herself to her lover; Vampires are insatiable. They can never have drunk enough and no matter how full her Evolutionary-charge-enhanced blood made her lover feel, he would always crave more. And incidentally, would always crave blood different from hers.

Arlette was aware Caius would have to stop. She knew why he had to. And from the moment his lips left her neck, she was using her grip on his hair to direct him to face her so she could thrust her tongue into his mouth.

While that was happening, Caius closed his eyes and slipped out of his shifted form while moving until he pressed Arlette's back against the wall as he kept up his quick and hard-hitting thrusts.

Now that Caius's fangs were no longer in her neck, Arlette much more readily moaned and groaned. They were so loud and tremorous that the muffling caused by her and Caius's lips being pressed together couldn't keep it quiet.

With her back pressed against the wall and her arms around Caius's neck, with his hands on her ass, Arlette got enough leverage to lift herself. She timed it to when Caius was drawing back only slightly for a thrust and thus, by moving, she increased the gap between them so that only the head of his cock was left inside her gripping snatch before she descended and took it back in as hard and as deep as it could go.

"Nghhh," Caius couldn't help but groan at this and he separated from their kiss so he could stare into Arlette's face.

Arlette's expression spent a second in a contorted—with pleasure—look before smoothening out so she could smirk at Caius.

That move Arlette made became a trend and together, their bodies slapped against each other harder and wetter than ever much to both their delight.

Arlette leaned her head against the wall and arched her back which thrust her chest quite hard into Caius's face which was adorably scrunched up because of how much he was trying not to let out a long stream of groans and moans at the pleasure he was feeling.

Arlette's arching back caused her bouncing tits to catch Caius's eyes and he struck forward to snap one of the tantalizing nipples into his mouth.

Whether he did this to better muffle a groan/moan slip-up or because he wanted to suck on the nipple was not entirely clear.

But if one were to posit a guess, 'Both' would be a more than acceptable answer.

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