Waves of the Incubus - Chapter 17

 Game

A few days later, on a Sunday.

Kenichi, who had participated as an advisor in a tennis match held in Tokyo, was finally released in the evening and returned to his apartment. While office workers might enjoy a three-day weekend from Saturday through Monday, teachers can't afford to rest when there are school or club events.

However, tomorrow, Monday, was a substitute holiday—a day with truly no school events scheduled. Ever since gaining the "power" of the incubus, he didn't feel much physical exhaustion, but mentally, there were still many tedious matters to deal with.

"Phew..."

Released from various burdens, he finally breathed a sigh of relief. Recently, whether during classes or club activities at school, he felt significantly more confident in himself than before. But coming home like this, it seemed his timid and indecisive personality had not fully changed.

(And besides...)

Recalling a shocking incident, a dark mood washed over him.

Kenichi had seen it. Or rather, it would be more accurate to say he found out.

That handkerchief. The handkerchief Kenichi had borrowed, washed, and returned—Junko Yoshikawa casually threw it into the trash can as if handling filth.

Of course, Junko wasn't foolish enough to throw it away right where Kenichi could see. But because he had out of curiosity used his extra-sensory perception to probe her actions, he "discovered" that she had gone out of her way to toss it into the women's restroom trash can, away from public view.

As a result of probing further, he also saw through her reason: she utterly despised Kenichi and hated the idea of putting anything touched by his hands into her own bag.

Lies and deception do not work against extra-sensory perception.

(Does she really hate me that much...)

Even so, rather than resentment or anger, a sense of sadness welled up in his exhausted heart. He felt anew just how deeply he loved her.

(Well, at least the vice principal was a small comfort...)

Recalling how he sent Usami, her affair partner, to the hospital during the tennis match, a sinister smile—one that had recently become natural to him—finally appeared on his face.

(Serves him right...)

He was hospitalized due to his injury, and even after being discharged, he would be on crutches, making his actions stand out. Therefore, the two of them wouldn't be able to meet for secret trysts for a while.

(If only I could see Ms. Yoshikawa's aura...)

The most destructive aspect of the contract's "power" with the incubus was the evil red tentacles that act upon women emitting an aura, driving them into heat.

Kenichi understood from experience that the activation condition required a woman emitting an aura within a range of a few meters to be bathed in a black surge of energy. Once the energy sensed the target, tentacles would automatically manifest to capture her.

So, if he could see the aura on Junko—the woman he yearned for and idolized—he could drive her into heat in an instant and make her his. While he couldn't manipulate feelings of love or hate, he could melt her reason and make her harbor thick, viscous lust toward him.

After all, he had even managed to make that pure, virgin Aiko Kawashima hand over her virginity to him on her own.

To top it off, surprisingly, that same Aiko had won the metropolitan tournament today. Defeating a lineup of formidable opponents in the singles, she brought a title to Ellis Girls' High School for the first time in over ten years. No matter how talented she was, achieving this after playing tennis for only a year and a half was nothing short of a remarkable feat.

(Is that also the power of the demon...)

He recalled the words of the other beautiful girl, Natsuki Kurosawa.

According to Natsuki, receiving his semen inside her body during sex made her feel light and in peak physical condition. For an athlete to whom injury and fatigue were major enemies, it went without saying how immense a blessing that was.

However, he had only had sex with Aiko once—on that day he played tennis against the vice principal. Since then, although a demon bearing his own face had ravaged Aiko countless times in her dreams, he himself had never actually held her again. He had merely summoned the red tentacles for fun during his classes, keeping her in a state of heat to play with her.

(She must be building up a lot of frustration...)

He remembered seeing Aiko at the tennis venue today as well.

Noticing a gaze staring intently at him from afar, he saw it was her. The athletic second-year girl, who served as the captain of the tennis club, frequently gazed passionately at him with a lewd expression entirely unfitting for a tennis venue.

(Well, winning the championship even while in heat like that... Aiko might actually have an incredible amount of willpower...)

In contrast to Aiko, who did nothing more than gaze at him painfully, Natsuki Kurosawa was a mysterious, beautiful girl—greedy in her desires, yet lively and bright.

Ever since then, he and Natsuki had been engaging in illicit acts at school every day, indulging in pleasure during lunch breaks or after school in the science preparation room. True to her desires and without a shred of guilt, Natsuki didn't even require the use of tentacles; she would show up every day with a flushed, lustful face to thoroughly serve him with her mouth and tight flesh.

(Come to think of it, Natsuki mentioned a while ago that she had a tournament around now too...)

Active as the ace of the cheerleading squad, Natsuki seemed to be in absolute peak condition from absorbing his semen, enthusiastically declaring that they would definitely place high in the tournament this year.

Just as he was about to get up from the bed in the clothes he came home in to take an early bath, the doorbell rang.

(Who could it be at this hour?)

It was already past 8:00 PM. Deliveries weren't expected, so Kenichi casually opened the front door.

Standing there was the very person he had just been thinking about.

"Heheh! Sensei, I came over to play..."

Natsuki laughed carefree as she spoke.

"!!!"

Startled by the sudden visit of a female student, he quickly pulled himself together and let her in. Bringing a girl who was clearly a high school student into his apartment required caution due to the neighbors' eyes, but his sharpened instincts told him it was fine for now.

"How did you figure out where I live?"

"What are you talking about? Anyone can view and copy the faculty directory!"

Murmuring "pardon the intrusion," Natsuki took off her shoes and brushed past the stunned Kenichi, strutting right into the apartment.

"Ooh! It's actually pretty well organized... And it's totally obvious there's zero woman's touch here... Well, gloomy, introverted science teachers usually aren't popular at all anyway..."

Giggling brightly, Natsuki inspected every room. The words "Are you my mother?" almost escaped Kenichi's throat, but not knowing the intention behind her visit, he decided to let her do as she pleased for now.

Natsuki was likely on her way back from her competition today. She wore a stylish tracksuit, with the logo "ELLIS GHS" printed on the back and on her large bag—likely matching gear made by the cheerleading club.

"Hey, Sensei... I'm thirsty~ Got anything to drink?"

"Only beer."

"Then that's fine! Give me some, give me some!"

Sitting down at the kitchen chair on her own, Natsuki slammed her hands on the table as she shouted. When Kenichi reluctantly pulled one from the fridge, she reached out for it without hesitation.

"Hey! You!!"

Kenichi thought she was joking, but was shocked to see Natsuki pop the tab as if it were the most natural thing in the world. She herself didn't care in the slightest.

"Ah! Wait, this is low-malt beer! Sensei, why are you drinking this stuff?"

"Shut up! That's more than enough for a minor!"

Having nothing else himself, Kenichi popped a tab in desperation and chugged it down.

"Phew-haaaah! That hits the spot!"

Gulping it down while making noise like an old man, Natsuki spat out a line straight from an old man. At her predictable reaction, Kenichi felt a dizzy spell akin to getting sick from alcohol.

"Ahhh... Giving alcohol to a minor... If I get caught, I'll lose my job..."

Hearing that, Natsuki raised her eyebrows and shot back.

"Geesh!! What are you saying?! The moment you laid hands on your student, you were fired! Fired! Plus, since we're in Tokyo, violating Article 18-6 of the 'Ordinance on the Healthy Development of Youth' means up to two years in prison or a fine of up to 1,000,000 yen!"

Kenichi's mind went blank.

Why did this high school girl possess such useless knowledge? If she had space in her brain for that, he wished she would store the periodic table for the next test instead.

"Because the periodic table won't be of any use in my life!"

(Natsuki... are you a psychic?)

"Besides, the way to memorize it is weird too! They say 'Sui-Hei-Li-Be' (Hydrogen, Helium, Lithium, Beryllium), but who is 'Li-Be'? And isn't it weird for a sailor (Suihei) to own a ship in the first place?"

Correction: She was just a drunkard.

After talking non-stop like a machine gun for a while, Natsuki eventually quieted down. Before long, the corners of her eyes flushed red, making her look subtly drunk and voluptuous.

"By the way, what did you come here for?"

Asking half-dumbfounded while drinking his beer, Natsuki smirked, got off the kitchen chair, put her bag over her shoulder, and walked into the bedroom.

"Call me when you're ready~"

Saying so without turning back, she closed the bedroom door. Kenichi was left alone in the kitchen, completely bewildered.

After a short while, Natsuki's voice called out from inside the bedroom. Responding to the call, Kenichi opened the door to find Natsuki standing there with a bright smile, wearing a dazzling cheerleading uniform and her hair tied in a ponytail with a red ribbon.

"Tada!"

The uniform, based in deep blue, had a white cutout on the chest with the logo written in red. White and yellow stripes ran along the hem of the blue top and skirt—a very cute design that suited Natsuki's fair skin perfectly.

"Ooh!"

"Heheh~ How is it, Sensei? Am I cute?"

Posing as she spoke, she spun around in front of him. The centrifugal force from the spin flared her skirt, enticingly revealing glimpses of her glossy blue undershorts.

"Hehehe... I came to show you this. You love this kind of stuff, don't you, Sensei?"

Even when addressed, Kenichi couldn't utter a word, doing nothing but swallowing the saliva continually welling up in his mouth. The very cheerleader he had secretly ogled, burned into his retina, and used for self-gratification since taking his position was right in front of his eyes.

"Hey~ I can't tell if you don't say anything..."

Even as she said that, seeing Kenichi's more-than-sufficient reaction made the mischievous sophomore happy. Having already seen through this science teacher's perverted tendencies, she knew full well that this outfit was a direct hit right down the middle of his strike zone.

"So Sensei, how is an active high school cheerleader?"

Saying so, she sat on the bed and spoke enticingly to Kenichi, who stood frozen in place.

"It's not cosplay... It's the real thing..."

As she spoke, she deliberately crossed her legs to show off, ensuring the crotch area of her blue undershorts flashed into view. The little devil smirked, enjoying how the corrupt teacher's eyes followed her movement.

"Besides... I was in a match until a little while ago, so I sweat a lot... I bet a ton of my sweet sweat has soaked into these undershorts..."

Placing one leg on the bed and opening her long legs wide, the 17-year-old beauty exposed her crotch with a triumphant smile. Made of a smooth, lustrous fabric, the undershorts were completely seamless and velvety smooth.

Imagining the texture and scent, Kenichi's erection expanded rapidly.

"So? Sensei, what are you going to do? Want to smell me?"

Understanding Kenichi's perversion completely, Natsuki smiled seductively and flicked her pink tongue out to lick her lips. The girl who was usually the prey was now lewdly tempting and provoking the male.

(Snap)

In that instant, Kenichi heard the thread of his sanity snap completely for the first time in his life. Presented with such a favored scenario right before his eyes, remaining sane would be what's abnormal.

"Ughaaaaah!"

"Kyaaaah! So scary! Help meeee!"

Seeing Kenichi rush toward the bed with the roar of a beast, Natsuki tumbled onto the bed with an exaggerated scream. From the impact, the man's body odor embedded in the sheets enveloped her, triggering memories of that pleasure like a reflex.

"Fuguuuuuu!"

"Nooo... I'm being attacked..."

Even though Kenichi hadn't used the red tentacles at all up to this point, Natsuki was already in an abnormally heightened state of sexual arousal. Having arranged an alibi with her friends before coming to this apartment, she intended to thoroughly enjoy sex with Kenichi until tomorrow night.

Ding-dong

At the exact moment the two were about to begin their long, intense feast of lust, the front doorbell suddenly rang out again.

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