The mental cultivation system was a system for training mental power.
The realms from low to high were: Deep Sleep, Meditation, Fetal Breathing, Sitting and Forgetting, Manifestation, Divine Clarity, and so on.
Each advancement in realm meant a massive leap in the application of mental power.
By mastering mental power and interfering with reality, creating worlds with a thought, becoming gods or buddhas was trivial, and ultimately one could achieve immortality, transcend all heavens, and reach an inconceivable state of omniscience and omnipotence.
Even among all cultivation systems, this one could be considered top-tier.
"Most importantly, this system suits me," Haru's eyes flickered. This system mainly cultivated mental power and could also develop the physical body—it was a perfect match for Haru's system.
After all, when Haru used abilities, what he consumed was mental power and stamina.
If he mastered the mental cultivation system, Haru would never have to worry about the consumption of using abilities again.
So Haru resolved that his mental-side system would be based on the mental cultivation method.
"The mental cultivation system's first realm is deep sleep. Entering a deep sleep state allows the human body to enter the most comfortable state, accelerating cellular evolution and maximally developing bodily potential to reach extraordinary levels. In ancient times, some people called it 'sleep cultivation'—a cultivation method practiced while sleeping."
"Additionally, one can use mental power to hypnotize others, making them enter deep sleep. Even giving this ability to a child in this everyday world would easily make them invincible, let alone me. Mastering hypnosis abilities, I could easily turn this world into an adult-themed world if I wanted, though I'm not that crude."
Haru's eyes flickered. The first realm of the mental system would be extremely useful to him.
And if he reached the second realm, the Meditation realm, he could hypnotize others with a single thought from a distance, read their memories, modify their memories, and turn them into Haru's puppets.
Such abilities would be like those of gods or buddhas to the people of this everyday world.
"As long as I can reach the second realm, I'll basically be invincible in this world, able to do whatever I want. Unless humans attack me with nuclear weapons or similar that I can't dodge, but I'm not crazy—how could I act recklessly at just the second realm."
Haru thought to himself.
Haru wasn't sick. Why would he give up a peaceful, comfortable daily life to constantly think about fighting and destroying the world?
Of course, he didn't plan to do such things, but he didn't mind mastering such power.
Not having nuclear weapons and having nuclear weapons but not using them were fundamentally different.
"Kouhai-kun is really knowledgeable, to understand so much about deep sleep," Kumin-senpai looked at Haru with bright eyes.
She could sense that this kouhai was truly interested in sleep and shared the same hobby as her.
Otherwise, how could he have researched those complex and difficult ancient texts?
If she tried to read them, she'd probably fall asleep after just one glance.
"So senpai, I think you've already reached what the ancients called the third stage of deep sleep—being able to enter deep sleep state even while active."
Haru smiled slightly, looking at Kumin-senpai with flickering eyes, saying with full sincerity, "Please teach me, senpai, how to master this kind of deep sleep method."
"Eh, deep sleep has three stages?" Kumin-senpai looked completely confused, her beautiful eyes flickering with curiosity.
She had never heard of deep sleep having several stages.
Haru naturally didn't mind taking this opportunity to deceive Kumin-senpai, as the more specific it was, the more likely it was to form the reward he wanted:
"Of course there are. The first stage of the deep sleep realm is entering deep sleep state through external means, such as meditation, sitting meditation, yoga, and so on."
"The second stage is not needing these external means and being able to enter deep sleep state anytime, anywhere by yourself."
"And the most amazing stage is what senpai currently possesses—being able to put your body into deep sleep state even with your eyes open, constantly improving yourself at all times."
Haru looked at Kumin-senpai with bright eyes, gripping her hands. "Look at senpai's skin—so snow-white, smooth, healthy and tender. Even in all of Sobu High, no one has better skin than you, senpai."
This was actually true. Kumin Tsuyuri's skin was indeed excessively good, so good that even Haru, an extraordinary being, was somewhat inferior.
If Kumin Tsuyuri had been born in the Star River Emperor world, she would definitely be a genius. Her talent was remarkably good.
Unfortunately, this everyday world had no mental cultivation system.
"There are so many different explanations? I don't really understand," Kumin Tsuyuri's face reddened. Haru was touching her hands while praising her skin, making her feel like the kouhai was taking advantage of her.
But Haru was also enthusiastically introducing those profound deep sleep concepts to her, which made Kumin Tsuyuri feel that Haru wasn't taking advantage of her.
For a moment, Kumin-senpai didn't know whether she should remind Haru to let go of her hands, and her face became increasingly flushed.
"So senpai, please teach me how you usually enter this state," Haru knew his introduction was sufficient. As long as Kumin-senpai taught him, he could basically get the deep sleep method reward.
"Actually, I'm not as amazing as kouhai-kun says," Kumin-senpai said somewhat embarrassedly. "But if it's tips for sleeping well, I can give kouhai-kun some suggestions. Because I've maintained the habit of napping since childhood, that's how I became like this. Why don't you start maintaining naps from today, kouhai-kun?"
[Ding, Suggestion: Maintain napping for ten days. Reward: Deep Sleep Third Stage]
"Napping for ten days, directly to Deep Sleep Third Stage!"
"This reward is amazing."
Haru was overjoyed.
His specific description wasn't in vain.
He had indeed obtained a mental system reward.
"Senpai, thank you so much. Then let's start sleeping together from today!"
Haru's face showed a smile.
Kumin-senpai also showed an excited expression upon hearing this.
She had finally found a companion who liked sleeping at Sobu High!
She quickly nodded happily: "Yes, from today we'll sleep together—"
"What are you talking about?"
Just then, a cold voice rang out.
Both Haru and Kumin-senpai froze.
They saw a tall, beautiful woman with cherry-colored long hair nearby. Her absolutely gorgeous face was filled with disbelief, her sharp gaze falling on the two of them.
Especially when looking at Haru.
Her delicate body trembled slightly.
As if she was furious, her beautiful eyes flashed with a look of disappointment.
"Shameless! To actually... actually discuss sleeping together at the school gate, such impure forbidden behavior."
Mafuyu Kirisu bit her lips, glaring at the two, especially looking at Haru with shame and annoyance. "You two, come with me to the office!"
"Wait, Kirisu-sensei, you misunderstood," Haru coughed dryly. "We were discussing napping. You must have misheard."
He hadn't expected to encounter Mafuyu Kirisu at the school gate.
And to be misunderstood.
Of course he had to explain clearly immediately.
However, Haru knew explaining by himself probably wouldn't work, so he said to Kumin-senpai, "Senpai, say something to explain."
Kumin Tsuyuri's pretty face was also a bit red.
Hearing Mafuyu Kirisu's words.
She only then realized that what Haru had said earlier did indeed sound a bit strange.
What did "sleeping together" mean?
At the time, she hadn't thought much about it. Seeing a companion, she had happily nodded in agreement right away.
Now that she thought about it.
She couldn't help but shyly glance at Haru.
She couldn't help wondering whether Haru had said those words intentionally or unintentionally.
For a moment, she felt too embarrassed to speak.
Seeing this scene, Mafuyu Kirisu looked at Haru with even more anger.
In the office.
The atmosphere was very tense.
"Haru-kun."
Mafuyu Kirisu sat behind her desk, her chest rising and falling unevenly. Her high heels, which wrapped around her crystal-clear jade feet, kept tapping the floor lightly, showing how unsettled Mafuyu Kirisu's mood was at the moment.
Her pretty face was cold, and her beautiful eyes looked at Haru with extreme sharpness. "You said you would help Furuhashi-san and Ogata-san pass all subjects in the midterm exams."
"I believed you."
"As a result, you're helping them by having impure relationships with second-year students?"
"This is really a misunderstanding, Kirisu-sensei."
Haru said helplessly, "In fact, this is the first time senpai and I have met."
"Kirisu-sensei, we were just discussing napping!" Kumin Tsuyuri said with a red face. "There's nothing impure about it."
Mafuyu Kirisu frowned slightly: "Napping?"
At this point, Haru took the opportunity to explain the theory of deep sleep again.
"I misunderstood you two."
Only then did Mafuyu Kirisu realize she had misunderstood them, and her expression improved somewhat.
But immediately after, her pretty face still showed some dissatisfaction as she looked at the two, especially Haru:
"However, wasting your youth on sleeping is not behavior befitting a qualified student. What's more, Haru-kun, do you still have time for such things at school?"
Mafuyu Kirisu deeply detested such unproductive behavior.
What's more, wasting precious youth on sleeping.
To her, this was simply incomprehensible.
Since childhood, she had been exceptionally hardworking, with chronically insufficient sleep time, which had become a habit.
"Kirisu-sensei, Fumino and Rizu passing all subjects this time won't be a problem. I can guarantee that."
Haru smiled slightly. After so many days of tutoring, he knew exactly what level these two were at.
Passing would definitely be no problem.
So he wasn't worried at all.
"Moreover, sleeping is extremely important for the body. Sensei, your habit of not valuing rest isn't very good. I think you should also learn deep sleep like us."
"Is Kirisu-sensei going to join us too?" Upon hearing this, Kumin-senpai's eyes lit up, and she became somewhat happy.
Her nap club hadn't found enough members yet, so she hadn't contacted the teacher in charge of clubs.
But if Mafuyu Kirisu also joined them, wouldn't the supervising teacher be ready-made?
Immediately, Kumin-senpai looked at Mafuyu Kirisu expectantly.
"I won't join you."
Upon hearing this, Mafuyu Kirisu immediately refused without good humor, then looked at Haru with her beautiful eyes, advising:
"Haru-kun, when you're old, you'll have plenty of time to rest. Youth is very precious and should be used for studying, not for unproductive activities."
At the same time, she was a bit dissatisfied in her heart. Saying her habits weren't good—this guy Haru really had no manners.
"Kirisu-sensei, learning deep sleep would be very beneficial for you too." Haru smiled slightly. He really wanted Mafuyu Kirisu to develop the habit of sleeping on time.
After all, Mafuyu Kirisu had helped him so much. Haru still wanted to repay her.
"You're exhausted every day precisely because you don't get enough sleep, right?"
Mafuyu Kirisu was stunned for a moment, looked at Haru, and said somewhat frantically: "How did you know?"
She was indeed severely sleep-deprived because she worked late every day.
She often felt like sleeping while working at school due to fatigue.
But to avoid embarrassing herself in front of students, she had been forcing herself to stay alert. She hadn't expected that her student had already seen through her.
Immediately, Mafuyu Kirisu felt somewhat socially dead inside.
"I could tell at a glance."
Haru smiled slightly. "Sensei, this won't do. It's precisely because you force yourself every day that your expression looks somewhat frightening, which is why students don't dare approach you."
Mafuyu Kirisu was stunned.
So that was why students didn't dare approach her?
Mafuyu Kirisu had always felt she wasn't a qualified teacher because students were afraid of her.
This was a huge blow to her.
Because the dream she had pursued after abandoning her talent was precisely to become a teacher.
After becoming a teacher, being disliked by students was tantamount to failing in her dream pursuit for Mafuyu Kirisu.
It was precisely because of this that she had always opposed the so-called dreams of Fumino Furuhashi and Rizu Ogata.
But Haru said that it wasn't that she was unqualified, but rather that her lack of sleep had caused these consequences.
This immediately rekindled hope in Mafuyu Kirisu.
At the same time, she felt somewhat embarrassed toward Haru in her heart.
This guy, clearly her student, yet understood her so well.
"Sensei, you don't want it to be like this either."
Seeing that Mafuyu Kirisu's attitude had changed a bit, Haru immediately struck while the iron was hot: "As long as you learn to rest properly and change your appearance, you'll be able to receive the adoration of students as you wish."
Hearing Haru's tempting words.
Mafuyu Kirisu's face felt a bit hot.
She had to admit, she was tempted.
Being adored by students and such.
This was something she couldn't refuse.
In her eyes, being loved by students was precisely the mark of a qualified teacher.
Mafuyu Kirisu's face reddened slightly, finally unable to resist such temptation. She looked at Haru and parted her red lips with some difficulty: "But I don't have that much time to sleep."
"No time is also fine." Haru smiled slightly. "Once I master deep sleep, I can directly hypnotize Kirisu-sensei and put you into deep..."
"Hyp... hypnosis?"
Mafuyu Kirisu's face suddenly turned completely red.
She looked at Haru in disbelief.
Kumin Tsuyuri beside her also suddenly blushed.
She immediately became much more wary of Haru: "Hyp... notizing a teacher, kouhai-kun, this is also..."
"Per... pervert! As a student, you're actually thinking about such things!"
Mafuyu Kirisu's cheeks were completely red, her delicate body trembling as she glared at Haru, looking like she was about to explode again.
Seeing the reactions of both Mafuyu Kirisu and Kumin-senpai.
Haru almost couldn't hold back his laughter.
What were these two thinking about?
His was proper hypnosis.
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