It happened sometime after the rating game with Sona Sitri had concluded...
"Ngha! Haaahn! Ahan! Ngaaah, Kazuki! I'm already—!"
"I'm close too, just hang on, Rias!"
Kazuki slid his hands behind Rias's knees, flipping her over. He shifted from the missionary position into a deep breeding press, pistoning into her with relentless, powerful thrusts.
Squelch! Squelch! Squelch! Squelch!
"Huff! Nn-o! Nnn! Hmmmm!"
Rias let out a strained, yet pleasure-filled, lewd moan. Her vaginal walls contracted, tightly squeezing his dick as her cervix seemed to suck him in.
They were both on the edge. Kazuki drove himself even deeper, thrusting with more force.
"Ngaaah! Oaaah!…. I can't! I'm coming…. I'm—I'm cuuumiiing!!"
"Ughh, Rias!!"
Splrrttt! Splurt! Squirrttt!!
"Fuuuuuunnn!!"
Rias's body shuddered and convulsed violently. The moment of conquering a supreme woman like Rias offered him the ultimate physical and mental pleasure.
After ejaculating a massive amount of semen deep into her womb, he pulled his cock out of her devilish, creamy pussy.
Gopooosh.
Excess cum that couldn't be contained overflowed from her stretched entrance. Kazuki collapsed on top of Rias, their lips meeting in a light, post-coital kiss before he finally let out a breath.
"Mm—chu… It felt wonderful, Kazuki…"
"Yeah, it felt amazing for me too."
They held hands, smiling at each other, basking in the feeling of happiness. However, a voice from right beside them shattered that bliss.
"Hmm~ I'd give that about a sixty out of one hundred, I suppose!!"
""!!?""
Turning towards the sudden voice, they saw Lady Venelana, her cheek resting on her hand as if deep in thought.
"M-M-Mother!? What are you doing here!?"
"My, isn't it obvious? I'm here to ob~serve."
"Observe…!? Observe what!?"
"Isn't it clear? Whether you two are properly making a baby, of course~!!"
"Making a baby—!?"
Rias's face turned bright red, her words catching in her throat. The next instant, she vehemently protested.
"W-What are you saying all of a sudden, M-Mother!!"
"My, it's an important matter. You're aware of the Low Devil Birth rate, aren't you? You must work hard at it diligently, even starting now."
"I understand that, but that's far too rushed!"
"My, so you don't want a baby with Kazuki-san?"
"That's!... I do, but…"
"There you have it…"
"So, I came to see how you two were doing, but… First, Kazuki-san, you get a passing grade. Size, stamina, the volume of your ejaculation—you possess quite an impressive tool." Venelana continued.
"Th-Thank you?"
Kazuki found himself thanking her reflexively.
"However, simply relying on the size of your penis and thrusting with brute force is unacceptable. You must learn more about a woman's body and hone your technique."
"...Yes."
Praised and then immediately criticized. 'Ugh, she pointed out exactly to what I was self-conscious about…' He thought.
"But the bigger problem is you, Rias."
"M-Me!?"
"Yes, you. You're just letting Kazuki-san pleasure you. Do you know? In the human world, women like you are called 'dead fish'~!!"
"D-Dead fish…?"
Rias trembled, visibly shocked. Seeing her like that, Lady Venelana let out a soft chuckle.
"So, Rias. I'll teach you. How to make a man feel good."
Saying that, Venelana turned her back to them, gathering her long flaxen hair and lifting it up.
"Kazuki-san, would you lower my zipper?"
"Y-Yes..."
Obediently, Kazuki approached Venelana and pinched the zipper on her back.
"Gulp… I'll lower it now."
"Yes, please."
A light sound accompanied the zipper being lowered, revealing an expensive-looking purple bra and panties. The smooth line from her nape down her back to her buttocks emitted an overwhelming, intense sensuality that left him awestruck.
"Thank you."
Venelana slipped her arms out, swaying her hips as she let the dress fall to the carpet before turning around.
The rich, mature feminine scent, now freed from the dress, hit Kazuki Fuwa directly.
As if showing off, she interlaced her fingers behind her head and arched her back, her proportions nothing short of magnificent.
Her breasts and buttocks clearly had more volume than Rias's. Her stomach was slightly soft, and whether from neglect, a flaxen bush flourished under her arms, but this only added to her bewitching allure, brimming with a MILF's charm that young girls like Rias lacked.
Her body exuded a mysterious charm, a fusion of a girl's freshness and a woman's seductiveness.
"Fufu! See, Rias? Even how you take off your clothes can heighten a man's excitement. Case in point, look—"
With a mischievous smile, Venelana brought her face close to Kazuki's member, poking at it playfully. It had already returned to a full combat stance without him realizing.
"Ufufu, truly magnificent. Hey Rias, have you ever given a blowjob?"
"I… I have, but…"
"I see. But just putting it in your mouth isn't enough. First—"
Venelana climbed onto the bed and took his dick in her hand.
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