Waves of the Incubus - Chapter 15

Natsuki

After-school scenes at any school generally look the same. Eris Girls' Academy, a traditional prestigious school for young ladies, was no exception; liberated students whose classes had ended were immersed in their respective favorite club activities.

The path behind the gymnasium is a long, paved road that extends to the incinerator at the very back of the grounds. With nothing obstructing it, this area serves as a perfect wind tunnel. On the opposite side of the gymnasium, a row of fragrant olives is planted along the inside of the wall to block the view from the neighborhood, and currently, their yellow flowers and distinct sweet aroma are delighting the students.

Right now, on that paved road, the cheerleading club is practicing. Lined up in four rows, they repeat the same formation over and over to the music.

"Alright, let's take a short break!"

The continuous formation practice comes to an end, and at the captain's signal, everyone scatters to take a rest. With a major tournament just around the corner, the practice has reached its final, high-energy stages, and everyone is working hard.

"...Hey, Jun. I'm really sorry... Today is just basic training from here on out, right? ...If possible, I'd kind of like to go home and rest today... I feel like my body still hasn't fully recovered..."

"What, again? ...Well, you did actually skip school yesterday, so it can't be helped until you recover, but..."

With that, the captain gives Kurosawa Natsuki—who is also the ace of the cheerleading club—an exasperated look.

Even from the perspective of the captain, who is in the same grade, Natsuki's athletic reflexes and skills are outstanding. Normally, it wouldn't be strange for Natsuki to be the captain, but the reasons she isn't are, for one, that she herself has no interest in it, and the other is this habit of slacking off.

Of course, she doesn't slack off openly, but in short, she always cuts corners where it isn't crucial. However, on the flip side, her dancing and formations are perfect, which makes it hard to deal with. It's not something that can be easily tolerated in front of the first-years, but when given a reason, the captain has no choice but to approve it.

"Ahaha! Thanks, Jun! ...I love you!"

Watching Natsuki grab her bags and flee the scene, the captain lets out a deep sigh while calling for practice to resume.

It was her second time going to that room on the 5th floor, but she felt her heart pounding even harder than before. The man she had wanted to see since this morning—no, even before that—she could finally meet him.

(I wonder if Sensei is there?)

Natsuki wore a sweaty white T-shirt and black spandex leggings. Her steps as she ran up the stairs were light. No, she had noticed it since this morning and it wasn't just her imagination; her body felt unusually light.

Even during the club activity just a moment ago, her body moved better than usual, allowing her to deliver a sharp performance. Amidst the envious gazes of her juniors directed at her crisp dancing, she had found it strange herself.

No, she knew the cause.

That day. The day she was inseminated three times deep inside her womb by the science teacher and ravished until she was completely exhausted.

She had been driven mad by an unbelievable amount of pleasure, her entire body numbed by that overly sweet stimulation. When she came to, she was sleeping in her own room, but when morning came, she had no strength in her body and ended up skipping school.

Yet at the same time, something mysterious was happening to her body. Aside from her body feeling light, the first thing she noticed was the firmness of her skin. Taking a shower in the morning and looking at her face reflected in the mirror, she was startled by how glossy and smooth it was, almost like a baby's.

What surprised her even more was that the discomfort in her lower back had completely vanished. Six months ago, during club practice, she had failed a landing and hard-hit her lower back; ever since, a dull, ache-like discomfort had persisted, but it was now completely and cleanly gone.

(...It's probably because of that...)

It wasn't that she believed the old wives' tale that getting covered in a man's semen makes your skin beautiful. However, when she received that teacher's hot sap deep inside her vaginal depths, she definitely felt a mysterious power enter her.

Though it couldn't be explained by logic, Natsuki was certain. That was what had healed her lower back, beautified her skin, and made her body feel this light.

"Sensei, I'm here again..."

Speaking from outside the door of the science preparation room, she turns the knob without waiting for an answer. For some reason, she feels that the science teacher is in here, waiting for her. It isn't just a mere hunch or a guess; she simply "knows" it.

(I knew it, he's here!)

The target teacher was sitting at his office desk, seemingly doing some work. In this dark room with the lights off, she wonders how he can see so well, but decides it doesn't matter.

Her face flushes, and she can tell her body temperature rises by a fraction of a degree. Sweat of a different kind from the refreshing one she had just shed during club practice begins to ooze stickily from all over her body.

"Sensei, what are you doing?"

In the face of Kenichi Mido, who makes no effort to look her way, the beautiful girl approaches without the slightest hesitation. It might be true that the teacher is busy preparing for tests or classes, but even so, she is certain he was waiting for her.

"Kurosawa. Weren't you supposed to be at your club?"

The teacher speaks in a flat, unmodulated voice without lifting his face from the documents. Hearing that voice, though she doesn't know why, she feels as if something black has descended upon this dark room, and a shuddering thrill runs down her spine. Yet, Natsuki feels herself drawn to that sinister presence.

"Hehe... I slacked off..."

Natsuki cute-ishly pokes out her tongue.

"But you're slacking off too, Sensei. ...Don't you have the tennis club today as well? Is it okay for you not to go?"

Standing right beside Kenichi as he faces his desk, she giggles as she speaks. It's true that there is a club activity today, so normally, even as an assistant advisor, it's a rule for Kenichi to participate. However, today he gave a suitable excuse, saying, "After yesterday's accident, I feel responsible and my heart is heavy," leaving the supervision of the members to the main advisor and an alumna coach.

It was almost as if he had predicted Natsuki would come here at this exact time.

"I heard, I heard~! You became a hero in tennis? Everyone in class knows about the match between Usamin and you, Sensei~"

Saying this, Natsuki approaches right next to him. She stands there dressed only in a T-shirt over her bare skin and black spandex leggings below. From her body, mixed with the scent of sweet sweat, the fragrance radiated by a young maiden with an active metabolism drifts upward.

As if knowing that this is the ultimate thing to arouse this voluptuous teacher, Natsuki leans her body against the seated Kenichi from behind, draping herself over him.

"What are you going to do, what are you going to do? If you keep being super popular with high school girls like this, a lot of various fun things might happen, you know?"

At that point, finally raising his face from the documents he was looking at, Kenichi stares intently at Natsuki's face. Feeling as if a magnetic force of some kind is emanating from his eyes, the beautiful girl experiences a tingling pleasure that makes her spine shiver, causing her body to tremble.

"By the way, what do you want today?"

"Eww. That's a bit cold, isn't it? After we loved each other so passionately..."

Clinging to Kenichi's neck from behind, Natsuki lets out a cooing voice. The scent of sweat envelops him with a stifling warmth, and in no time, the science teacher's excitement swells, causing his crotch to engorge.

"Ahnn, because... Natsuki wants to play more with Sensei..."

Saying so, she writhes her body pliantly, displaying a coquettish stance to entice Kenichi's interest. Gone was the idol-like bright smile from the other day; in its place was the seductive grin of a little demon.

"Hey... don't you want to know what color Natsuki's panties are?"

While giggling as she speaks, the exceptionally beautiful second-year girl stands right in front of the middle-aged teacher, flaunting her lower halves—clad only in spandex leggings—right before his eyes. Her usual innocence has receded into the shadows, and even her facial expression and manner of speaking have changed as if a sensual poison has circulated through her.

"Ufufu. If you just reach out a bit and pull down these leggings, Sensei, you'll see all of Natsuki's panties..."

Laughing promiscuously, she intentionally shakes her hips in her leggings to provoke Kenichi further. With his awakened hyper-awareness, he can clearly tell that love juices are overflowing from her crotch, stickily drenching Natsuki's private parts.

(Natsuki... this girl is considerably more proactive than last time...)

While keeping his crotch burning hot but maintaining a calm mind, Kenichi became certain that the girl had changed from within after just a single intercourse with him. A beautiful girl who used to be just an ordinary high schooler found anywhere had her personality and gestures altered by sex with Kenichi, tempting a man with words that wouldn't shame a courtesan.

(No. In reality, it hasn't been just once...)

He had violated her physical body in this room only once, but besides that, he had been violating Natsuki within dreams. For both the girl and Kenichi, the intercourses within the wet dreams were remembered vividly, as if they had actually happened.

The sweet pants. The fragrance rising from her body. The taste of saliva and love juices. The sound of flesh striking flesh. And the 17-year-old seductive flesh that squeezed his raging arousal. They remembered all of it from the dreams as something that truly took place.

(It means that every time I ejaculate inside her womb, she becomes increasingly subservient to me, and more promiscuous along with it...)

It was the same case with Aiko Kawashima; he realized that when he ejaculated to his heart's content in both the real world and the dream world, his released seeds entered the bodies of his target beautiful girls, gradually dyeing their pure elements into his own color.

"More importantly, there is something I want you to do..."

Without breaking his calm expression, Kenichi slowly pulls down the zipper of his trousers. As he unbuckles his belt and undoes the hook, the beautiful girl before him laughs and drops to her knees between Kenichi's legs.

"Ahnn, Sensei... you want it done with Natsuki's mouth, don't you?"

Saying this, Natsuki happily helps him pull down his trousers, and immediately clamps her cute hands around the erection bulging through his underwear.

"Oh my, it's already completely energetic... Sensei, you pervert."

Natsuki gives him a profoundly sensual sidelong glance that doesn't seem like a young girl's, and slowly presses her mouth over the fabric of his underwear. She promptly opens her mouth to grip the rod, confirming its hardness and size.

"It's incredibly big! I wonder if something like this can fit into Natsuki's mouth?"

While gazing up at Kenichi with sparkling eyes, Natsuki extends her slender, long tongue and licks the weapon of flesh over the fabric. The fabric instantly becomes wet and discolored, but ignoring that, the beautiful girl covers the middle-aged teacher's underwear in her saliva, making it gooey.

"It's amazing. Oh my, Natsuki is starting to feel it..."

It was indeed an abnormally large sexual organ. Every time Kenichi showed his penis, professional escorts were invariably overwhelmed by its size. However, those women were negative about that hugeness, complaining endlessly that it was too big or that it hurt.

Yet look at this. Right now, the beautiful girl in front of him is enraptured from the bottom of her heart by the very size those women complained about.

"Well then, time for a big bite."

Speaking with utmost cuteness and playfulness, Natsuki begins to pull down his underwear. She seems to be enjoying herself, giggling as the giant erect shaft gets caught, making it difficult to remove.

"Sooooo great! It was actually this big... This is my first time seeing it in a bright place, so it surprises me... No wonder it hurt during sex..."

Compared to the male genitalia she knows, the girl voices her admiration at the size of Kenichi's erection. If Natsuki were a woman with more sexual experience, that admiration would have been even deeper and greater.

"How does it compare to your boyfriend's?"

Knowing that Natsuki is dating the ace of the baseball team at a high school in the neighboring town and occasionally having intercourse, Kenichi asks maliciously.

Natsuki looks a bit surprised, but immediately smiles sweetly, grips the base of the massive pillar of flesh with her slender fingers, and begins to rub it up and down loosely and obscenely.

"Uhun. Sensei knows everything, doesn't he... That's right... but compared to Koji-kun's, yours feels like it's in a completely different league, Sensei..."

With an enraptured expression, the beautiful girl, still wearing her white T-shirt and black leggings, brings her face close to the rugged, knotted male reproductive organ, and extending her surprisingly long tongue, rubs it against the shaft.

"Ahfun, uhuun."

Whining through her nose and letting out sweet sighs, she glides her tongue along Kenichi's towering, rigid shaft. As a technique, it was far inferior to that of a mature woman, but the situation of a beautiful high school girl in gym clothes performing such an obscene act in the school building after hours excites Kenichi to an abnormal degree.

"Fufu, do you feel it, Sensei?"

While occasionally laughing mischievously, Natsuki rubs the saliva-soaked pillar of flesh up and down obscenely, flicking the surface with her tongue or licking around it with the tip as if sweeping. She sharpens the tip of her tongue to give strong stimulation, or spreads her saliva-drenched tongue widely to lick it slushily. Before long, Natsuki herself can no longer bear it, and brings her mouth close to the tip where the head spreads wide.

"Ahnn, geez... Sensei's has such an erotic shape... Just looking at it makes my head spin..."

After letting out a sigh as if truly slightly intoxicated, Natsuki slowly opens her mouth and tries to swallow it from the tip. The healthy, pink lips of the beautiful girl, which need no rouge, expand, engulfing the glans that flares out sharply like a cobra. Once she finally fits the massive glans into her small oral cavity, Natsuki closes her eyes in ecstasy and tightens around the tip within her hot mouth.

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