This was a request for time to handle the handover and organization as Kousen was the student council vice president. Yugen, having also served on a student council, acknowledged Kousen's reasoning.
"Kousen, you can use 'Elemental Sight,' but can you not see yourself?"
"No. It's only for detecting hostile or malicious individuals and ancient magic... Can Yugen-san use it too?"
"Mine is a superior version. I can even see an opponent's spirit body. Though, because of that, I've sometimes been attacked by phantoms and such."
Although he didn't utter the words "seeing too much is a problem," Kousen couldn't help but laugh at Yugen, who seemed to imply just that. Indeed, having power allows one to pursue their will, but it can also invite unnecessary envy. Yugen had already experienced jealous gazes from other men due to his excellent looks.
"Kousen's Psion body is undergoing abnormal activation, which is destroying the 'channels' of his Psion body. Conversely, his repair speed is also extraordinary, so he's constantly fluctuating between healthy and sickly states."
"Could it be that the mental limiter theory is largely involved?"
This theory suggests that the human body itself is not suited for activating magic, and there exists a limiter that suppresses the exercise of magic by 100 percent. Regardless of the limiter theory, Yugen was conducting various verifications using his own eyes and his knowledge of the original story.
Humans in this world are composed of three parts: the physical body, the Psion body (astral body), and the spirit body. Yugen considers the physical body to be a tangible existence, the Psion body to be 'reason'—a rational existence, and the spirit body to be an instinctive existence.
The Psion body's role is to connect the definitions of the physical body and the spirit. If the spirit experiences a change, that information affects the physical body via the Psion body. Yugen hypothesized that magic is a technique that uses Psions, a form of reason, to project the phenomenon desired by the caster's spirit onto the physical dimension.
If there are no physical abnormalities and the Psion body is abnormally activated, then the problem can only lie with the spirit body. Yugen, observing in detail, couldn't hide his surprise when he saw Kousen's linker core.
"...Kousen, it's amazing you could even use magic in this state."
"Eh? You've figured out the cause?"
"Yes... What I'm about to tell you might be hard to believe, but please listen carefully."
The magic limiter theory—if the prediction was correct, the major cause was that the control mechanism within the linker core was not functioning properly.
Originally, the factors involved in the linker core, which acts as the magic limiter, are tied to the factors determining the presence or absence of the magic calculation area. However, among several factors discovered during modern magic research, it was found that if more than half of them involved reducing limiter suppression through genetic manipulation, it impaired the original function of the linker core, resulting in a nearly 90% chance of developing frailty, weak constitution, and shortened lifespan due to abnormal Psion activation.
This fact was discovered by Yugen when he meticulously examined data on managed enhanced psychics and adjusted bodies during his time in the National Defense Army's Weapon Development Department. He was beyond anger, simply appalled that such reckless experiments were conducted without hesitation.
In Kousen's case, his linker core was half-destroyed—"defective" would be a more accurate term. When his spirit body attempted to send out Psions commensurate with his Psion body through the constricted pathway due to the linker core's defect, the pressure reflected into his Psion body, causing abnormal activation, which in turn destroyed the channels of his Psion body, leading to his poor health.
In essence, it was like narrowing the mouth of a hose, restricting the water flow and creating a stronger water pressure than normal—that's what was happening inside Kousen's body.
"Magicians have a 'core'—an organ called the linker core, composed solely of Psions. Kousen, your core is half-destroyed."
"...If that core is healed, can I become like you or Tatsuya-san?"
"You'll definitely become healthy. But whether I want you to become like me or Tatsuya is a subtle matter."
After all, he might captivate women's gazes just like Miyuki. Honestly, if not properly controlled, he would be swept away and married to multiple women... Not that he or Tatsuya, being in similar situations, could really say that.
"The linker core itself will be repaired immediately. However, complete healing of the core often brings about changes or irregularities in one's physical condition, so resting for at least an hour is an absolute must."
This was the minimum resting time calculated from Yugen's experience treating people like Mayonaka, Honami, and Mizunami. Since the Psion flow in the Psion body and physical body changes significantly when the core returns to normal, it's an absolutely necessary action to ensure proper acclimation.
Upon hearing this, Kousen looked bewildered.
"Huh? It's not a full day of rest or anything?"
"Normally, one would think so, and people I've healed before have said the same, but this is data obtained from thorough verification. Well, in Kousen's case, considering everything up until now, it's probably safer for you to sleep until Kyouko-san arrives."
"You're right. I'll do that."
Then, Yugen activated 'Reinforce' and began Kousen's treatment. After the treatment, the previously suppressed flow of his spirit activated his Psion body and physical body, causing Kousen to develop a high fever and fall asleep.
This was also part of Kousen's path to becoming healthy, but to account for potential brain damage, Yugen suppressed the Psion movements with 'Dream World' and let Kousen sleep. His fever quickly subsided to a normal level, and he slept soundly, breathing calmly.
After completing all the procedures, Riri appeared with drinks in hand. Yugen pushed the task of watching over Kousen onto her and left the room.
"Um, uh... for now, I suppose I have to watch over him..."
Of course, Riri, who was burdened with the task, watched over Kousen with a bright red face, despite her embarrassment. When Riri, exhausted, woke up next to the bed, Kousen was stroking her head, and she fainted from mental overload.
Kousen's struggle, wondering what to do about this, continued until Kyouko, who had come to pick them up, entered the room.
"—And that's what happened. More importantly, Yugen-kun, I'm truly sorry."
"It's fine. It's already over."
Yugen received an apology from Kyouko, but this time he had merely prompted the "self-purification" of the National Defense Army as a soldier. He had to tamper with the 'Echelon III' system itself to conceal Celia's 'Heavy Metal Burst,' but it wasn't a significant blow.
In any case, he now had a plan to present one of the conditions he had proposed to Retsu to Kyouko.
"By the way, Kyouko-san, are you not settling down? I heard about your fiancé as well."
"Well, if I meet someone good, I wouldn't rule it out... But why are you asking, Yugen-kun?"
"Oh, actually, during my meeting with His Excellency, he asked if I knew a good match for Kyouko-san, and I boldly recommended Tatsuya."
"Grandfather, really..."
This was a lie. To be precise, to bring Kyouko, who knew the details of Tatsuya's magic, to their side, Yugen had set a condition for Retsu to send Kyouko as a potential fiancée for Tatsuya when Tatsuya's lineage as a direct descendant of the Yotsuba was announced in the future.
While Lina was related by blood to Kujou, broadly speaking, she was a member of the Shields family. Kyouko also had Kujou blood but was a member of the Fujibayashi family. So, Yugen saw no problem. Moreover, for Retsu, if his granddaughter, who lost her fiancé in the Okinawa Defense War, were to marry, he, as a grandfather, would feel relieved.
"Well, Kyouko-san knows quite a lot about my magic and Tatsuya's... and the chocolate you sent Tatsuya seemed to be a 'true' one."
"Oh, you found out? Did Tatsuya-kun tell you?"
"Yes."
For Tatsuya, the number of people he could talk to who understood him was extremely small. Especially outside the Yotsuba family, it was negligible. By the way, Tatsuya had asked, "I don't mind being liked, but what's the correct answer to give?"
So, Yugen had simply told him, "He's someone you can talk to casually, so if the offer comes, quietly marry her." It should also be added that Miyuki's opinion was quite favorable.
Zhou Gongjin, psychic kick (rest in peace).
The handling of the linker core and other elements was done with the least possible incongruity, based on my understanding of the original work's settings. If the Psion body experiences pressure significantly higher than its normal capacity, it's highly probable that the spirit body is experiencing an anomaly. As a rule, where there's smoke, there's fire, and so it goes with the results of causality.
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