"I want to see Rossweisse's tits directly, so I'm going to undress you. Come on, hands up."
"Y-yes..."
He slipped her top off, and when he unfastened the jet-black bra beneath, the proud symbols of womanhood swayed free.
"Now, next, you take off my pants, Rossweisse."
"...Nnsho... okay, there... Wow... It's so big..."
Rossweisse murmured in a trance.
How exquisite it was to show off his proud monster cock to a woman and have her whisper about its size in awe! Making a sexually experienced woman compare him to other men was also good, but burning the size and scent of his cock into the mind of a virgin was exquisite in its own way.
"Since I'm on top already, how about I make my cock feel good using Rossweisse's tits?"
"What are you going to do?"
"A mounted titty-fuck. I haven't even let any of the others do this yet."
"W-what should I do? I belong to you, so just order me, and I will obey."
"Then press your tits together from the sides with your hands to make a cleavage."
"Okay. L-like this?"
"That's it. Now I'm going to put my cock into that valley, so drip some spit there to make it slippery."
"Sticking out my tongue... Aaaah... My saliva is dripping down my breasts."
He made her sit up slightly to let the saliva drip, and the clear fluid slid down into the valley between her breasts, quickly trailing down to the undersides.
The saliva spread within the cleavage, clinging to her skin, completing the onahole made of tits.
Her saliva-soaked breasts were magnificent, radiating such depravity that a virgin would likely ejaculate just from the sight.
"Alright, I'm putting it in, so watch. This cock is going to violate your tits right now."
Mitarai's cock was swallowed by the soft flesh, starting from the glans.
Slick with saliva, the shaft slid in without pain until the entire length was enveloped by the soft, embracing meat of her breasts.
"Ah... The tip is poking out... It's really so huge..."
The glans peeked out from between her breasts, smearing precum—the evidence of his arousal — onto her skin.
"I'm going to thrust my hips back and forth like in real sex, and you kiss the tip that sticks out from your tits over and over."
"...Yes!"
The sound of his crotch slapping against her tits echoed, and pleasure coursed through both her breasts and his cock.
Dominating the woman who normally taught lessons at school and who, despite only recently arriving, had already earned the trust of many students brought supreme bliss, dyeing Mitarai's mind pink.
Just as he had ordered and asked, she pressed her lips to the glans, and a gentle, pleasant sensation transmitted back.
As he grabbed her breasts for support and pumped his hips, more and more precum drooled from his urethral opening.
A titfuck provided less stimulation than direct mucosal contact, but the overlapping circumstances — that she was his housemate, a teacher at the academy, and now his woman, his female—became the ultimate spice, making it feel incredibly good.
When he pinched the taut buds at the tips of her breasts, Rossweisse let out a sweet sigh, and the flesh of her tits quivered.
The rising urge to ejaculate from deep within was so pleasant that before he could even call out to her, Takashi came.
SPLURT… SPLURT. SPLURT!
"Eh? Ah... Kya! ...Amazing... Shooting out so much..."
His urethral opening gaped wide, blasting out a cloudy white fluid.
Unlike a normal ejaculation, where he merely released what had accumulated, this ejaculation born from sheer pleasure sent shivers racing up his spine, and the volume of semen expelled was immense.
As he thrust his hips up, the load mercilessly rained down onto her face, which had been kissing his glans, soiling the features of the beautiful Rossweisse.
She let out a surprised sound and tried to watch the ejaculation, but the raining cum made it difficult, and she obediently closed her eyes and turned her face.
After about a minute of ejaculation, when Mitarai looked at Rossweisse, he saw her pitifully drenched in semen.
Her pale skin, unacquainted with sunburn, was covered in places with sticky cum, leaving only her red lips and her sharp, straight nose visible. It wasn't just her features; her beautiful silver hair was splattered as well. To sum it up in a word: a complete disaster.
"Damn... A-are you okay?"
"Y-yes... To be able to produce this much semen, Takashi-kun, you really are a splendid man. I was so surprised."
"Well, I do have a strong sex drive. Anyway, I'll go get a wet towel, so wait here."
He withdrew from on top of her, dashed out of the bedroom, and moved to the living room.
In the meantime, Rossweisse secretly scooped up some of the semen on her face with her finger.
It was jiggly like jelly and easily scooped up. What Rossweisse didn't know was that this had been his third ejaculation of the day. An average man, even after prolonged abstinence, couldn't produce this amount.
Unaware of that, she simply engraved into her soul that he was an exceptional male.
Having sworn to give him everything, she realized that from now on, serving him wouldn't just be fighting with a spear as she once did; she would likely need to help vent his seemingly inexhaustible sexual desire.
Determining that she lacked sexual knowledge, she resolved to actively gather information.
The next day.
"A-are we really going to do it here?"
"Of course. Rossweisse is a teacher, so I thought this would be hotter."
An empty classroom after school. They had properly soundproofed it with a magical tool, but hadn't cast any wards to keep people away, so someone might happen by at any moment. That thrilling sensation was likely going to be delicious.
"You gave me everything, right, Rossweisse? Then it's fine."
She had revealed her race to Mitarai.
A Valkyrie is a battle-maiden serving the gods, akin to an angel. They can wield their abilities by declaring their allegiance to their patron deity.
Turning that on its head, he made Rossweisse declare that she was transferring everything to Mitarai, thus literally gaining possession of her entire being.
It was similar to, yet slightly different from, a familiar contract or a devil's pact. Ultimately, however, it was perhaps the same in that it bound even her soul.
"I always wanted to have my first time in a classroom with the sunset streaming in."
"Is that so... I'm worried someone might come."
"It's fine, it's fine. If worst comes to worst, I'll just ask Rias to erase that person's memory."
As a contingency, he had Rias on standby in the Occult Research Club room, and after enjoying his tryst with Rossweisse, he planned to thank Rias with sex.
"For all that talking, you're dripping wet."
Tracing over her pussy through the tights she wore, a hot, slick sensation responded.
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