After Crushing the Final Boss, I Got Infinite Mana and Returned to Earth ～With Cheat-Level Power, I’ll Rule Both the Game World and the Real World～ - Chapter 15 & 16: I Won’t Forgive Anyone Who Tries to Hurt My Family | You’re a Hundred Years Too Early to Beat Me in a War of Words

Chapter 15: I Won’t Forgive Anyone Who Tries to Hurt My Family

“Um, we’re not here to arrest you or detain you or anything like that. We just have some questions—”

“Sorry. I’m in a bit of a hurry.”

I already had a pretty good idea what those questions were about. I mean, random agents from some mysterious American outfit showing up out of nowhere? There was only one plausible explanation.

They’d found out about our magic practice in that state in America—Aoi, Saori, and me.

The wasteland we’d used for training had great visibility, so if someone had been watching us close-up we would have noticed right away. There were no cameras there, either. How on earth had they pinpointed me? I couldn’t even begin to figure it out.

Then I looked up—and it clicked.

“Ah—satellites, huh.”

A “special agency under the Department of Defense” sounded exactly like the kind of group that could pull satellite imagery from orbit. It wasn’t insane to think they’d spotted something from space. Honestly, the idea of shooting a satellite down myself briefly crossed my mind. Very briefly. Definitely a terrible idea. Definitely.

Before I could spiral further into “global obliteration brainstorm” mode, the blonde agent stepped forward again and sharpened her tone.

“We won’t take much of your time. If you absolutely refuse to cooperate, we’ll have to take stronger measures.”

“…This is Japan, right? You can’t just do whatever you want here.”

“We have permission from the Japanese government.”

“So it’s government-approved, huh.”

The woman in black flashed a handgun from her coat pocket.

It was a clear signal: depending on how things went, she wasn’t shy about pulling the trigger.

That was bad.

Teleporting away was an option, but if they’d tracked me this far, they probably knew where I lived.

If that were the case, Aoi, Saori, Shiva, and the rest could be in real danger.

So… following orders for now seemed like the smarter move.

Then a voice called out.

“Hah, Irene.”

A hulking, muscle-bound man in a black suit spoke to the woman waving the gun. At first they were talking in English, so I didn’t catch much. But little by little, the words started clicking in my head.

Was this “speed learning” or something? I’d always been decent at picking up foreign languages in my past life—who knew that skill would kick in now. I leaned in and quietly eavesdropped.

“Enough of this dancing around. Just shoot his hands and feet and restrain him already.”

“That doesn’t prove he’s planning a terror attack. He’s a person of interest, nothing more—proceed with caution.”

“Ha!! That’s why women are—! You sit down and shut up!!”

“Kev—Kevin!!”

The woman in black—Irene—hurried to stop Kevin, but he brushed her off and planted himself right in front of me.

Up close, he was even taller than Garf and built like a tank. Basically a walking wall of muscle.

Kevin switched to Japanese.

“Yo, you little punk.”

“That’s rude. That’s not how you ask someone for a favor, you know?”

“Favor? Ha. Nope. We don’t ask—we give orders. Come with us quietly. If you don’t want anything bad happening to that mother and daughter you live with—”

“—Hou!?”

The sound that came out of me was shockingly low and cold—even to my own ears.

Maybe a bit of my mana leaked out without me realizing, because several of the men in black staggered back, their faces pale.

“W-What was that just now…?”

“A murderous aura?”

“Is he even human?”

“D-Don’t freak out!! He’s just a Japanese brat!!”

“If he moves, shoot to kill!!”

Dozens of handguns snapped up, all aimed right at me.

“…I see. I see.”

“G-Good. Glad you get it. Now just come along—”

“So you’re saying you’re an ‘enemy’—someone who might hurt Aoi and Saori?”

“Huh? What are you talking—”

Kevin’s sentence froze mid-word.

Because I vaporized everything above his neck with a Torch, so he’d never run his mouth again.

“Y-You bastard!! How dare you—Kevin!!”

Irene lunged to stop the chaos, but one of the men in black fired his gun. The bullet lined up perfectly with my brow—but an invisible wall met it.

That was the Barrier spell I’d slipped into place while Irene and Kevin were squabbling. Normally it could barely hold back a low-level attack, but I’d saturated it with almost infinite mana, so it shrugged off even high-tier blows.

The bullet pinged off the barrier with a sharp metallic clang.

“W-What the!?”

“—Torch.”

I took care of the shooter and anyone else who raised a weapon using nothing but beginner spells, then leveled my gaze at the rest of the agents.

“Got it. So it’s not just that musclehead Kevin, but you too—no, America itself is my ‘enemy,’ then. I won’t forgive anyone who tries to hurt my family. I’ll erase your homeland entirely.”

“N-Please, wait!! We can talk—”

“No more talk.”

I teleported high into the sky and began chanting an advanced spell. Giant magic circles bloomed over America, and a tidal wave of mana, soaked in murderous intent, rushed outward.

Any nation that laid a hand on my family deserved to vanish.

“—Firestorm.”

It was an advanced spell my younger brother Bavek had once used in a duel.

Normally it was a wide-area technique where spiraling flames struck the enemy, but I poured every ounce of mana I could into those magic circles. That turned it from a powerful attack into a monstrous conflagration capable of swallowing nations.

It ripped oxygen from the air, turned the ground into a searing furnace, and erased life without discrimination.

I launched volley after volley at America.

The blast overshot—parts of Canada and even sections of South America evaporated along the way—but close enough.

When I returned to the place where the men in black had been standing, they were in full panic mode, glued to their phones.

“What… what is going on!? Why can’t we reach HQ!? What did you do!?”

“I erased America.”

“T-That’s impossible—”

“It’s possible. I did it. …Ah, what a face. Enjoy your despair.”

I wondered what image they had of me—some supernatural monster, an incomprehensible fiend? 

It didn’t matter. 

Whatever label they gave me, they were enemies, and enemies were things to be erased. 

Watching them tremble and regret crossing my family felt… satisfying.

But even that wasn’t enough.

Anything that might harm my precious family had to be removed completely—from this world and from every other.

In fact—maybe if I wiped out everything except my family, everything would be solved…?

“Hey. You—hey you!!”

Just as I was about to erase everything except my family from existence—

WHAP!!

A tiny black dragon—Diabel—clocked my cheek with his tail. It was a perfect right hook, like a pro boxer’s jab.

“Fuh!? W-What was that!? Wait, Diabel!? What are you doing here…?”

“I felt a stupidly huge wave of mana and bolted out of the house. For a second there you were about to be swallowed by that power.”

Hearing that from Diabel snapped me back to reality. For a terrifying moment I’d actually lost myself; realizing what I’d almost done left me wordless.

“I….”

“Those who grab overwhelming power tend to go like that. Lucky for you I was nearby.”

“…Thanks. You saved me.”

“Show gratitude with actions!! My movie comes out next week!! Take me!! And buy all the merch!!”

Diabel prodded my head with his tail while listing demands. 

I owed him for stopping me from going berserk, so repaying the favor felt only fair. Problem was, I didn’t have spare cash in this world—so I’d have to hit up Saori for allowance later.

But first—

“Come to think of it, wiping out America probably screws Aoi and Saori over more than it helps them. Prices, logistics… Let’s rewind time a bit.”

Thanks to Diabel, I calmed down. I used my time-manipulation magic to roll the world back a few minutes and made everything that had happened vanish.

That spell was ridiculously handy—kind of like the time I’d accidentally half-ruined the capital.

Time rewound to the moment just before Kevin started threatening me.

“—Favor? Ha. Nope. We give orders. Come with us—quietly. If you don’t want anything bad to happen to the mother and daughter you live with—”

BANG!!

A gunshot cracked across the street. Irene fired into the air. For a second I was completely thrown, but Irene—pale as a sheet—blinked at Kevin and said, ice-cold:

“Shut up, Kevin. If you refuse orders, I will shoot you dead.”

“C-C’mon, Irene. That’s a harsh joke—”

“Don’t make me repeat myself, Kevin. I won’t let America be destroyed twice. I order everyone: refrain from any behavior that would upset him. Anyone who disobeys will be shot by me, no exceptions.”

“““Y-Yes ma’am!!”””

…Huh.

Looks like Irene and some of the others still remembered America getting erased. Normally, nobody should have memories from before I rewound time—except for the few targets I’d intentionally left impressions on—but apparently the destruction had left a mental scar on them. It was such a shock that it stuck.

“I’ll come back another day.”

“I see. Then next time, let’s talk calmly.”

“You were the only one losing it though.”

Diabel muttered under his breath, and I pinched his side as we headed home.

Saori greeted me with a bright smile the moment I stepped inside.

“Oh my, welcome back. Thanks so much for delivering Aoi’s lunch.”

“That’s fine, but… Mom, what exactly are you wearing?”

“This? It’s a lewd reverse-bunny cosplay for that magazine shoot!! Does it suit me?”

“It does, but I honestly don’t know where to look. Please just… go change.”

“Your past life must’ve been quite the struggle, huh…”

After some back-and-forth haggling, I managed to squeeze some money out of Saori for Diabel’s movie trip. Honestly, I couldn’t help getting a little excited myself, looking forward to the day I’d finally go see a film with a friend.

But then, just a few days before the release—

As usual, I was dividing my time between the magic academy and the Adventurers’ Guild. One afternoon, I felt like revisiting a certain grimoire, so I wandered down into the royal castle’s underground library.

That’s when the king suddenly declared he was going to host a party… to decide my fiancée.

―――――――――――――――――――――

[Afterword]

A Random Tidbit

Irene

An elite agent of the U.S. Department of Defense Special Agency, trusted with everything from VIP protection to assassination missions to intelligence work.

A glamorous blonde bombshell with killer curves—but tends to get underestimated just for being a woman.

Every Comiket season, she secretly flies to Japan to stock up on adult BL doujinshi.

If you thought, “Wow, Diabel’s actually a really good guy,” drop those ★s!

And if your reaction was more like: “Yes, keep going!!” “Damn, that was way too merciless lol” or “Diabel snapping him back to his senses was the real MVP moment” —then don’t forget to leave a comment, bookmark, ★rating, or review!

Chapter 16: You’re a Hundred Years Too Early to Beat Me in a War of Words

It had been a while since I last set foot in the royal castle of the Magiluke Kingdom.

I’d come because I wanted to reread a certain grimoire stored in the underground library.

The guards stationed at the library entrance—who used to whisper behind my back every time I passed—now went pale and scrambled to avoid eye contact the moment they saw me.

Guess a few of them had been around for my duel with Bavek.

Well, at least the annoying gossip had died down. In its place, though, I could feel the prying stares of nobles sizing me up, scheming about how best to use me.

Anyway, I found the grimoire I was looking for. Time to get out of here fast.

Besides, I had plans to study magic with Lune today, so I needed to hurry to the academy.

Or so I thought—until one of the soldiers suddenly called out to me.

“Y-Your Highness Prince Georg… His Majesty the King humbly requests your esteemed presence.”

A summons from the king himself.

Strange. Considering how often I’d been blackmailing him lately, you’d think he’d want to keep as much distance from me as possible.

But if he’s the one asking to see me, then I had no reason to refuse.

Following the soldier toward the audience chamber, I made small talk with Diabel, who was perched on my shoulder.

“I wonder what business he has with me.”

“That guy seems pretty terrified of you. Maybe he’s planning to hand over the throne?”

“That would be… troublesome. Still, making a country free of crime where Aoi and Saori could visit anytime might not be such a bad idea.”

“Is your head filled with nothing but family?”

“Of course not. I also treasure Diabel and Lune as friends.”

“Don’t lump me in with that man. And if that’s really how you feel, then return my mana.”

“Hahaha. With this kind of almighty power, you think I’d ever give it back?”

I brushed off Diabel’s whining with a smile. Before long, we arrived at the audience chamber.

The soldier motioned me inside, and there I found the king—and a young man around twenty.

“O-Ohh, Georg. I’m glad you came.”

“Well, it was His Majesty’s summons, after all. And it’s been a while, hasn’t it, Brother Gerald?”

After greeting the king, I turned to the young man at his side.

A fairly handsome guy, with features strikingly similar to mine.

His name was Gerald von Magiluke.

The First Prince of the kingdom, first in line for the throne.

A prodigy with extraordinary magical talent, he had entered the Royal Knights at the age of ten and now stood as their commander.

In the game, he was even one of the characters who joined the protagonist’s party to defeat me.

Unlike my younger brother Bavek, who never stopped gunning for me, Gerald’s stance toward me was the complete opposite.

Not that he ever doted on me or anything like that, though.

Gerald glanced at me and spoke just one line.

“It’s been a while, Georg.”

…And that was it. Yep, Gerald had absolutely zero interest in me.

He’d never bullied me or insulted me, but he’d never helped me either.

They say the opposite of love isn’t hate—it’s indifference. That summed him up perfectly.

Still, it left me wondering: why was Gerald even here?

“A-Actually, Georg… I was thinking of holding a party to decide your fiancée.”

“Haa. I’m not interested, so I’ll pass.”

“C-Come now, don’t say that. You’ve had so many marriage proposals, you know?”

“I’ll say it again. Not interested.”

“Ugh…”

The king’s aim was obvious.

He wanted to tie me down with marriage so I couldn’t just leave this country whenever I felt like it.

Sure, his biggest fear was fighting me—but the next biggest had to be me moving abroad.

Marriage was just his way of putting a chain on me.

And then—

“Georg. Is that how you speak to Father?”

“W-Wait, Gerald, don’t—”

“Father is trying to arrange a fiancée for your own good.”

The king tried frantically to stop him, but Gerald pressed on anyway.

“When I was away from the capital hunting monsters, I heard you suddenly learned to use magic. That’s fine and all—but just because you can use magic now doesn’t mean you’re great.”

“G-Gerald, stop this.”

“No, Father. Georg is drunk on power. True worth only comes when strength is guided by conviction. He must learn that.”

“Pfft… haha…”

I couldn’t help but let out a laugh at Gerald’s words.

That seemed to sting, because his frown deepened.

“…What’s so funny?”

“Brother Gerald. With all due respect—strength does make someone great. I was scorned, mocked, and stripped of my place as royalty because I had no magic. I was treated as nothing precisely because I lacked power. And now that I have it—look how everything changed.”

“That’s…”

“Father, who never once looked my way, now suddenly wants to choose a fiancée for me? What a joke. He wouldn’t have cared in the slightest if I hadn’t gained strength. And you’re no different, Brother Gerald.”

“…What do you mean by that?”

“If I had no power, you wouldn’t even bother sparing me a glance. Your very words and actions are proof of exactly what I’m saying.”

“Tch—”

Gerald fell silent for a moment, apparently unable to come up with a counterargument.

But even then, he still stubbornly claimed my way of thinking was wrong.

Ironically, the words he spoke next were one of his famous lines in the game—the very lines he once preached to the protagonist.

“A blade swung without purpose wounds everything. Power without reason is nothing but violence.”

Everything Gerald said was absolutely correct.

But me? I was simply using my strength however I pleased.

I’d never once cared about dressing it up with some lofty justification.

Power is power.

At the end of the day, it’s just violence. I’d never thought of it as noble in the slightest.

“And it’s that very ‘violence’ that gave me value, Brother Gerald.”

“…So no matter what I say, it won’t reach you.”

“That’s my line. Why don’t you drop the act of being some virtuous man already?”

“…What did you just say?”

“Be honest. You’re afraid of me—afraid I might threaten your claim to the throne. Relax. I couldn’t care less about becoming king.”

“—I only said that for your sake—”

“Then stop pretending to preach. To me, Brother Gerald—and anyone else in the royal family—you’re just strangers who happen to share my blood. And strangers don’t get to dictate how I live my life.”

“…”

This time, Gerald fell completely silent.

Of course he did—after all, I’d survived countless verbal battles with Aoi in my past life. Thinking he could beat me in a war of words was about a hundred years too early.

While pumping a victory fist in my heart, I turned back to the king.

“So, that’s how it is. I don’t need a fiancée. If that’s all, I’ll be taking my leave.”

“W-Wait!! Please wait!!”

“…Sigh. What now?”

The king was unusually persistent today.

“A-Actually… word of you seems to have reached them somehow. The Emperor of the Silverian Empire himself has requested that his daughter be engaged to you.”

“…I see.”

So that was the reason behind all his desperate begging, even at the risk of annoying me.

The Magiluke Kingdom had strong ties with Silveria, but if we outright rejected their princess, that goodwill would evaporate instantly.

And that would plunge the whole situation straight into chaos.

If the kingdom became unstable, public safety would crumble—and sooner or later, Aoi or Saori could end up caught in the fallout.

If I were going to refuse, I’d need to do it properly.

Rejecting without ever meeting her, versus rejecting after at least seeing her once—those left completely different impressions.

Attending this “find-a-fiancée” party, meeting someone else I could claim was better suited, and then turning down the princess would make for a much smoother excuse—one the Empire could actually swallow without issue.

“…Very well. Just remember—I’m only attending that party for the sole purpose of refusing the engagement.”

“Y-Yes, of course!! That’s perfectly fine!! I’ll handle all the tedious paperwork myself!!”

Leaving Gerald and the king behind in the audience chamber, I headed straight for the magic academy.

―――――――――――――――――――――

[Afterword]

A Random Tidbit

Georg (Minato Suzuki) is literally unbeatable in verbal battles.

If you thought, “Pfft, who even needs this random afterword info lol,” drop those ★s!

And if you were more like: “The king sweating bullets is hilarious,” “He counters pure logic with pure nonsense lol,” or “Seriously, nobody needed that afterword info lol,” —then don’t forget to leave a comment, bookmark, ★rating, or review!