The plan Yunyi intended to carry out after arriving in Japan was as difficult as ascending to heaven, but there was one simple shortcut: completely destroy Tatsuya Shiba's limiter switch at the right moment.
Then, with no restrictions and no emotional support, Tatsuya Shiba would turn into a true god of destruction. In that state, destroying Japan would be effortless for him.
But that would do Yunyi no good, because it would surely put him and Tatsuya Shiba in a fight to the death. Until he had verified whether his magic could completely counter Tatsuya Shiba's Decomposition, Yunyi would not choose that plan.
However, it was human nature to test the impossible, even knowing it was impossible. All the more so for a "transmigrator" like Yunyi, who had gained power.
He knew Miyuki Shiba was Tatsuya Shiba's limiter switch, and he knew she was an adjusted human born for Tatsuya Shiba's sake, but he still wanted to try-to tear their relationship apart and separate them.
That guy doesn't feel much attachment to the Yotsuba Clan, and the same goes for Japan. If I can control Miyuki Shiba, maybe I can control him too. If I fail, then this shitty, fucked-up world can go down with me! Yunyi thought.
Lost in his self-doubt, Tatsuya Shiba failed to notice the madness that flashed in Yunyi's eyes. By the time he came to his senses, Yunyi had already put away the evil thoughts in his heart.
"Whatever the case, thank you for your advice. I'll give it serious thought," Tatsuya Shiba said solemnly.
Yunyi chuckled, threw an arm around Tatsuya Shiba's shoulders, and led him back to the first-year Class E classroom.
The afternoon flew by. When the dismissal bell rang, Yunyi rubbed his sleepy eyes and stood up from his seat.
"Hey, are you really planning to sleep through every day like this?"
Seeing Yunyi wake up, Leonhart couldn't help but complain.
Yunyi blinked blankly and stared at Leonhart for a while before responding. He looked as though his crashed brain were reconnecting, or as though he had woken up so groggy that he needed a moment to collect himself, making Leonhart's face darken.
"Um, you're Leo, right? It's not that I want to sleep all the time. I just really can't focus on this stuff!" Yunyi shrugged helplessly.
"Yunyi, whatever the case, you still need to study, don't you? This knowledge will be useful for your future development too," Mizuki Shibata urged from the side.
Yunyi could only say he didn't care.
In truth, it wasn't that he couldn't learn the material. Rather, the knowledge First High School currently taught was completely useless for improving his magic.
In this world, so-called magic was a means of rewriting a target by manipulating Psions. Yunyi's magic, however, was different. The Kotodama Curse he currently used was merely a name he had made up to conceal his true magic. Of course, the Kotodama Curse was a form of magic that had actually existed in history, so using the name now had indeed raised no suspicions.
"That's enough, Leo. You too, Mizuki."
Just then, Tatsuya Shiba spoke up to stop Leonhart and Mizuki Shibata from urging him.
"Yunyi's magic is somewhat different from ours. This knowledge really isn't much use to him. Or rather, what he lacks is something more profound, something we can't access for now."
"Oh?"
"Is that so?"
Leonhart and Mizuki Shibata were surprised to hear Tatsuya Shiba's words.
"Tatsuya, you're impressive!" Yunyi praised Tatsuya Shiba.
He's never seen my real magic, yet he used his knowledge and his own understanding to deduce the conditions for activating the Kotodama Curse, and even filled in some of the gaps in what I said himself? Is this what you'd expect from the protagonist? Yunyi thought.
"Since you've figured out what I'm missing, why don't you tell me how I can get access to it?" Yunyi threw an arm around Tatsuya Shiba's shoulders and asked his question.
Tatsuya Shiba thought for a moment before answering, "The fastest way is to become part of the Ten Master Clans. Yes, marry a woman from one of the Ten Master Clans. Even someone from a branch family would do. That would be the fastest way to gain access to the knowledge you need. Of course, marrying a woman from the Ten Master Clans would undoubtedly be very difficult."
"I see," Yunyi muttered.
"But I only just returned to the country not long ago. I only know the Ten Master Clans by name. I don't know which families have girls of marriageable age. Tatsuya, do you guys know?"
Although Yunyi directed that last question at Tatsuya Shiba, his gaze did not remain on him.
"You..."
After hearing him, Erika Chiba slapped her forehead and looked as though she'd had enough.
"Do you really think girls from the Ten Master Clans are that easy to marry? Even girls from the Assistant Eighteen Houses aren't that easy to marry, okay?"
"Come on, Chiba, don't shoot me down like that! A person needs to have dreams." Yunyi spoke unconcernedly. "Oh, right, speaking of the Ten Master Clans and the Eighteen Houses, doesn't Japan also have something called the Numbered Families? Chiba, your surname..."
"That's right! I'm a daughter of the Chiba Family." Erika Chiba made no attempt to hide it and readily admitted her identity.
"Hey, Tatsuya, would the Chiba Family work?" Yunyi immediately asked.
"What do you mean by that!?" For a moment, Erika Chiba didn't catch on.
Tatsuya Shiba looked at Yunyi helplessly, his gaze growing a little strange.
"Is that really the kind of question you can just ask outright? Yunyi, isn't that a little too..."
While Tatsuya Shiba was thinking, Erika Chiba finally caught on.
"Don't tell me you want to marry me!? Don't joke around! I'd never fall for someone like you!"
Once Erika Chiba understood, she immediately erupted and threw a punch straight at Yunyi.
Yunyi ducked behind Tatsuya Shiba and raised a hand, giving Erika Chiba's incoming arm a light tug that shifted the direction of her strike.
"Thud!"
"Oh!"
"Hiss!"
The three sounds came in quick succession: the first from Erika Chiba's fist hitting Leonhart's stomach, and the others from their mouths.
"Hey! Why did you suddenly hit me!?" Leonhart complained, rubbing his stomach.
"Why are you so hard!?" Erika Chiba rubbed her fist.
As for Yunyi, he had already grabbed Tatsuya Shiba and slipped away.