Using a Mysterious Spellbook Ended Up Creating a Slave Harem - Chapter 17

 Chihiro Fukuhara - Part 3

From here on, it was my turn. Aiming to bring her down into crest slavery, I decided to thoroughly attack Chihiro.

"Chihiro-san. I'm going to touch your breasts now." 

"Anhn ♪ A-Atsushi-kun, you've suddenly become so manly ♪"

I forcefully grabbed her twin peaks, which retained their excellent shape even while she was lying on her back. Simultaneously, I recast the aphrodisiac magic, forcefully elevating her sexual sensitivity. I relentlessly massaged her bursting breasts. Next, I leaned down and greedily suckled on one of her nipples, which possessed the exact areola and nipple size that I preferred, making it stand completely erect.

"Hauh! M-My breasts, abuse them more ♪ Pamper them ♪" 

"Chuh, lero, am... chuh, mgh..." 

"Auh ♪ This... it's so good! It's amazing..."

Licking and teasing the teat with my tongue, I sucked firmly onto the erect nipple. With my free hand, I thoroughly kneaded her other breast, enjoying its magnificent texture against my palm. Alternating between them a few times, I coated her twin peaks in my saliva. By the time I felt sufficiently satisfied by her heavy breasts, my penis resting inside Chihiro had once again become rock-hard and warped upward.

"Mmmph ♪ My breasts feel good too, but p-pamper me down there as well ♪" 

"Jyu, chyuru... of course."

Releasing my mouth from her delicious nipple, I raised my upper body and slowly began to use my hips. My hands roamed all over her voluptuous physique, heightening her pleasure with the assistance of the aphrodisiac magic.

"I-Incredible ♪ I feel like I'm going to become completely addicted to sex with you, Atsushi-kun ♪" 

"I-I'm about to drown in your body too, Chihiro-san..." 

"It's fine. Drown in me as much as you want ♪" 

"...Yes. I'll do my best." 

"Ahhn ♪ Atsushi-kun and I... our compatibility might be the absolute best ♪"

As I accelerated the rhythm of my hips, Chihiro tangled both of her legs around mine. Squeezing her breasts and massaging them roughly, she gripped the bedsheets, writhing in pure ecstasy.

"A-Atsushi-kun's hands feel so wonderful ♪" 

"Chihiro-san! Chihiro-san!" 

"Ahhh! Massage them harder, much harder! ♪"

As I kneaded her heavy breasts, her pussy reacted by squeezing down violently on my shaft. Chihiro's hips traced an obscene twist, and her entire body began to tremble finely. Sensing that her climax was imminent, I scooped up her tangled legs with both arms. Keeping my weight pressed firmly down on her, I drove my penis all the way into the deepest recesses of her vagina.

"Hie! Ahh! I-I can't hold it anymore ♪ I'm going to cum ♪" 

"Cum for me, go ahead and cum!" 

"I'm going to cum ♪ Auh! Th-That... I'm feeling it right there! ♪" 

"Right here!?" 

"Hing! Th-That's too much!! I-It's coming!! I'm cumming!!" 

"Y-You're squeezing so tight...!" 

"I-I'm cumming!! Hieee!!! ❤️ Ohhh!!! ❤️" 

"W-Wow, this is intense!!"

The moment Chihiro arched her spine to its absolute limit and reached her peak, her vagina tightened with a ferocious grip, threatening to vacuum my shaft into her depths. In a panic, I yanked my member out, braced it with my right hand, and blasted my semen directly onto her lower abdomen.

Having finished discharging my semen across her white underbelly, I prepared to carve the crest before she could regain her senses. Unlike the previous times, two rounds of semen were already pooling inside her uterus, so this also doubled as a verification experiment to see if that would cause any differences in the process.

Extending my right hand just as I had with Iroha and Erika, I invoked the crest magic.

"...Mph, ...ah?" 

"For now, it looks exactly the same." 

"Hic? ...Ahh ♪ N-Nngh! ♪" 

"...And her reaction is identical as well." 

"Ahhn! ♪ ...Auh! Ahhh!! ❤️ Too good!! ❤️"

The frothy semen on her fair skin was absorbed, and a crest of the exact same color and shape as before materialized on her flesh. Watching her get assaulted by a wave of intense ecstasy from having the crest engraved, I concluded that the amount of semen discharged inside beforehand had no bearing on the result.

"Now then, I need to cum inside her one more time."

While manually stroking my cock—which was behaving surprisingly obediently despite having already discharged four rounds—I inserted myself into Chihiro once more. The interior of the female body after having a crest engraved became noticeably superior in quality, and after just a few thrusts of my hips, my member quickly began to swell up again.

"Hauh!? Hing!" 

"Ahhh... it feels amazing, Chihiro-san." 

"Anhn ♪ Atsushi-kun's... i-it's getting big again ♪"

Inside her vagina, which now clung and vacuumed onto me with an even greater intensity, my member staged a complete resurrection. Aiming to finalize her conversion into a crest slave, I grabbed her hips and fiercely assaulted her.

"Wonderful! I'm feeling it way, w-way more than before ♪" 

"Mgh... Chihiro-san, your body is the absolute best!" 

"Hing ♪ It's so long, thick, and magnificent ♪"

Thinking only of my own pleasure, I hammered my hips roughly. Even against movements that could easily be described as violent, Chihiro—whose sexual sensitivity had been driven mad by the crest—seemed to derive nothing but immense ecstasy. Her pussy produced an obscene, wet squelching sound as it swallowed my penis whole. Accompanying the loud slaps of colliding flesh, I raced in a straight line toward the summit.

"Ah... ugh..." 

"Ah ♪ Ya, nngh, yes"

Chihiro's twin mounds shook violently up and down. As I stared at them, she reached up with her own hands, grabbing and massaging her breasts.

"Yan! M-My breasts feel so achingly desperate ♪"

Next, she gripped both of my wrists, which were anchored to her hips. Shaking her head wildly from side to side as she did so, she cried out her final words of surrender.

"N-No! I-I'm going to cum again!" 

"Yes. Go ahead and cum." 

"Hieee! I'm cumming! I'm really, really going to cum...!!"

Since I still had plenty of stamina to spare, I concentrated my assault entirely on the weak point I had discovered during our previous rounds. As a final coup de grâce, Chihiro threw her chin back.

"I-It's here!! I'm cumming!! Uahh!!! ❤️ Ohhh!!! ❤️"

Arching her back so severely it looked as if it might snap, she lifted her hips and scaled a ferocious peak. Down below, her vaginal walls adhered perfectly around my shaft, executing a squeezing motion that attempted to force me into an ejaculation.

"Ahhh... ugh, haa..."

Desperately holding back, I managed to push the sensation of ejaculation away. Once I had calmed down to a certain extent, I slowly resumed the motion of my hips.

"...Mph, ...no, I... already..." 

"I haven't... come yet, so..."

I roughly shoved my engorged shaft—swollen to its absolute limit on the verge of ejaculation—back and forth. Having just climaxed and turned hyper-sensitive, Chihiro responded to the movements as if completely at their mercy.

"P-Please... give me a little... rest..."

Ignoring her pleas, I desperately drove my hips. Contrary to what her mouth was saying, her pussy tenaciously coiled around my penis, refusing to let go.

"N-No! I-If you do it like that, again... ♪" 

"Ohh... it's about time, I'm going to shoot!" 

"It's too intense! No!! I-I'm cumming!!" 

"It's coming... I-I'm cumming!! It's shooting!! Uah!!" 

"A-Again, the hot liquid!! It's coming!! Hieee!!! ❤️"

As I ejaculated inside her vagina, the crest flashed with a brilliant light, and Chihiro simultaneously reached a profound climax. Once I finished treating her uterus to my semen with our lower bodies pressed tightly together, I regulated my breathing while monitoring the transformation of the crest.

The shift was identical to the previous two girls, confirming that discharging two rounds inside prior to engraving the crest posed absolutely no issues. Having concluded my verification, I spoke to her as she lay immersed in the lingering afterglow of pleasure with an enraptured expression.

"...Chihiro?" 

"............Yes. ......Atsushi-sama ♪"

Opening her eyelids slowly at my call, Chihiro responded with a different title. While Iroha and Erika called me 'Master,' having her attach 'Sama' to my name was just as delightful.

"Chihiro, you belong entirely to me now, you know?" 

"Yes. I belong eternally to Atsushi-sama alone ♪"

She offered words of absolute loyalty in response to my statement. Grinning broadly at the birth of my third crest slave, I thoroughly enjoyed the sensation of holding Chihiro in my arms.

+++

Afterward, we loved each other just one more time before engaging in pillow talk. When I mentioned that there were two other fellow crest slaves, she immediately deduced that one of them was Iroha. Granted, she was utterly flabbergasted when she learned that the other was the idol, Erika Wakisaka.

Once our rest time concluded, we quickly took care of the shopping trip that had been our initial objective, and I escorted her back to her apartment. Just like that, much faster than anticipated, I had successfully added a seemingly neat, younger-guy-devouring closet bitch of a university student to my collection of crest slaves.

+++

A few days later, I heard from Iroha that misfortune had also befallen the three inner-circle lieutenants of the hookup circle. Apparently, the car the three of them were riding in had been involved in a traffic accident. It seemed they ended up hospitalized with head contusions, fractures, and internal organ damage. While they certainly got off lighter than their muscle-brained leader, it was clear they had accumulated a healthy amount of hatred themselves. That meathead leader ultimately remained paralyzed from the waist down and took a leave of absence from the university, resulting in the toxic circle breaking up entirely. With this, I could rest easy knowing the university's public morals would improve even just a little bit.

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