Slowly lifting her hips, Mitarai's penis slid out from her pussy.
Glistening with love juices and pre-cum, it was stained red in places with the blood that was proof of her broken maidenhead. Her small butt rose and fell against his stomach, repeating the motion, producing the obscene sound of flesh slapping against flesh.
Having just lost her virginity, staying in the cowgirl position seemed difficult, and she slumped forward, resting her upper body against Mitarai.
In place of Shirone, who had gone limp and couldn't move, Mitarai gripped her small buttocks and began thrusting up into her fiercely.
"Ngh Nya Ah Senpai's cock is hitting deep inside, against my pussy Ahhh Ngh Nyaaa~!!"
The speech patterns of the Nekomata clan, usually hidden, slipped effortlessly from her lips.
Their upper bodies motionless, only their lower halves moving as they gazed at each other. Without any signal, their lips naturally drew closer and met.
"Ngh Chuu Chuu… chuu Nom Nom Lick lick… lick lick…"
They would stick together, then part, then stick together again.
Unsatisfied with just lips, they both extended their tongues, entwining them together without care for the saliva dripping outside. The slimy feeling of a tongue different in size from their own. Licking the other's tongue with their own rough surface elicited happy reactions, and they were licked in return.
Pulling their lips apart, they gazed at each other again, enveloped in a blissful atmosphere as their hips moved.
He kneaded the soft flesh of her small but plump buttocks. Her chest, lacking the fullness to be called breasts, rubbed her erect nipples against his skin to gain pleasure.
Unlike her modest chest, the somewhat firm yet soft flesh of her buttocks felt wonderful to knead while fucking.
Her sweet voice filled his ears, allowing him to perceive her with all five senses.
When he pulled and rubbed the tail that had grown from her excitement, a shock like lightning ran through Shirone's body. A tingling wave of pleasure raced through her entire body, seeking an outlet.
Of course, the human body has no such 'outlet,' so it was released outward instead, accompanied by hot fluid.
"Ahh Because Senpai is pulling my tail~!!! This is the first time I've squirted such naughty juices."
She complained with a mouth that could no longer form words properly.
Contrary to her words, her expression was melting, and her tail wagged, asking for more, more. Encouraged by her adorable reaction, Mitarai continued thrusting while playing with her tail, and the inside of her vagina suddenly tightened.
"Ah Ah I can't, I'm cumming!!! I'm going to cum from Senpai's fucking… Please watch Shirone cum!!!!"
Her upper body, which had been resting against him, began to arch backward. Letting out a long, pleasure-filled moan of "Ooooooh," she jerked violently once.
Her cumming pussy squeezed his penis painfully tight, and Mitarai felt like he was about to burst as well. Thinking it would be shameful as a senpai to cum pathetically in front of his Kouhai, he drove into her even harder, matching his rhythm to her climax.
"Can I… can I cum inside?"
"Yes, please cum inside me as much as you want… Give me your sticky, hot semen, Senpai~!!!"
Hugging her petite body tightly, treating her almost like a fleshlight, Mitarai also climbed to his peak.
Despite the rough treatment, she rubbed her cheek against his chest happily, matching his thrusts. With her feminine instincts, she tormented his penis, guiding him to ejaculation.
She wrapped her vaginal flesh tightly around his weak spots—the frenulum and the head—without any gaps, greedily taking pleasure from both the insertion and withdrawal.
The moment the tip bumped against her cervix…
Splurt… Splurt!! Splurt!! Spurtt!! Spurt…
The head of his cock swelled up, the slit opening wide to spew forth semen. An incomparable torrent of cum, ravaged her womb mercilessly.
Each time it filled her womb, the next wave of cum arrived, pushing the previous out. A constant stream of fresh seed was poured in, and the womb receiving male genetic material for the first time trembled with joy.
"Ah-chyyyyyyyyy Senpai's semen is so hoooooot~!!!"
She arched her back even more than during her own climax, desperately trying to contain the torrent of seed.
Sweat soaked her skin as she waited for the ejaculation to end. The pulsating cock inside her showed no sign of stopping soon. Shirone was experiencing firsthand the exceptional prowess of her seemingly ordinary senpai as a male.
An inexhaustible stamina that could refill drained balls to the brim in one night. As a Nekomata, a she-cat, she stood no chance against it. Her instincts felt her previous life being painted over in white.
'The other club members, my fellow servants under the same King, they've all already fallen to this man. Wouldn't it be fine if I became the same?' Accepting the words whispered by her instincts, Shirone transformed into a lewd creature.
"Guu… She's squeezing me out so damn hard. Are you really a virgin?"
Every part of her vaginal flesh undulated and contracted, trying to devour his semen.
That motion, which perfectly utilized her small, tight passage, cleanly hit Mitarai's dick, milking out every last drop.
Between her first internal ejaculation, losing her virginity, and finally relieving her heat, even a devil-fallen Nekomata couldn't help but lose consciousness.
"Ah, ah? Shirone… Did she just faint?"
His still-throbbing penis remained inside her, so they would likely stay in this position for a while. He hugged her sweaty body and let out a tired sigh.
…
"Sen… pai?"
"You finally woke up. You sleepyhead."
"Ah… What time is it?"
Koneko woke up an hour later.
With that much time, his penis had naturally softened, and some of his strength had returned, so he had done a simple clean-up as best he could. Both Mitarai and Shirone were dressed, and aside from the lingering lewd atmosphere, they seemed like their usual selves.
"It's 1 PM. We've exercised and must be hungry. Want to go get something to eat somewhere?"
"…Yes. Ah, Senpai, wait a moment."
Quickly leaving Mitarai's side, Shirone left the bedroom and vanished somewhere.
When she returned, she was holding something black in her hand.
"Please put this on me."
"A choker? A present from someone?"
"No. It's something I bought, thinking that someday I might meet someone like you. The one who puts this on me… that person becomes my master, and I become their pet… Is that no good?"
"A pet… Shirone as a pet."
An image flashed in Mitarai's mind: Shirone on the futon in his room, in an indecent pose, her namesake pure white tail and ears out, in her natural form with a black choker around her neck.
"That might be nice."
"Just as I expected from Senpai. Please take responsibility for turning me into a pervert by making me your pet."
"Though I don't think you being a pervert is my fault."
They looked at each other and laughed.
Starting from Monday of the following week, a shiny black choker adorned Shirone's neck.
...
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