What kind of secret art could be this absurd—powerful enough to elevate someone to that extent?
Everyone stared at Izumi in disbelief.
Izumi let out a restrained sigh."…It was my first time using it. Right now my whole body just feels sore in a… intense way. Probably nothing serious. A few days of rest and it'll settle."
Kato Megumi clearly didn't believe that. Asia didn't believe it either.
And neither did the newly arrived Rias and Sona.Too suspicious.No way a technique that terrifying wouldn't have side effects.
Izumi didn't intend to explain further. While Asia's Sacred Gear eased his pain a little, it didn't change his plan to remain vague.
At that moment, Rias stepped forward."Izumi-kun… thank you.If not for you, today would have become a disaster.""If you ever need something, anything—just say it."
She had completely abandoned the idea of inviting him into her peerage.Honestly, there was no place in her peerage to hold someone like this.
They all saw the battle. In an instant he sealed off every Fallen Angel in the school grounds. The countless weapons appearing out of thin air had startled even them—before any of them reacted, those weapons had already pierced through the intruders.
Even now, the air outside still shimmered with traces of those constructs, though they were gradually fading. The security teams that rushed in, as well as Rias and the others, were left speechless.Each weapon contained enough magical power to rival a B-rank combatant—or more.
Izumi had projected B-rank armaments, with a few at C++ tier.Tools like that naturally held frightening amounts of power.
Under normal circumstances, projecting that many at once would have taken real effort… but with the "Transcender Trial Card," it had all been effortless.
Izumi waved off Rias' gratitude."Forget it. I can't imagine anything I'd need to trouble you with.""Maybe another time. Right now I just want to rest."
His whole body ached. He had no interest in prolonged conversation.
Rias accepted that with a small nod."My offer stands.As long as it doesn't violate the Gremory family's bottom line, I'll make sure your request is fulfilled.""Consider this a favor we owe you."
Sona stepped forward as well."The Sitri family also owes you one, Izumi-kun.If you ever need aid, ask."
They each had their own calculations, of course.With Izumi this strong, maintaining good relations would only benefit them.If not for him, Kokabiel's plan very likely would have succeeded, and the aftermath would have shaken both the Underworld and the human world.
Especially in Kuoh Town—territory jointly held by the Gremorys and Sitries—any incident of this scale would inevitably drag their families in.
Consider the blonde girl Kokabiel had targeted. A diplomat's daughter, and this region was under Church jurisdiction.If Izumi hadn't intervened… it could very well have escalated into an international incident.
Given that, offering a favor was a small price to pay.
After thinking for a moment, Izumi nodded."Alright. I'll remember it.For now, could you send me back? I doubt classes are still happening."
Neither Rias nor Sona objected.Rias instructed Akeno and Koneko to escort him home.Asia and Megumi followed as well.
Supported by Akeno, Izumi left the school grounds.
Students emerging from evacuation stared at the Fallen Angels strewn about, murmuring in shock.And once they learned a first-year had defeated them—their astonishment only grew.
A first-year.A hidden monster.
As Izumi was guided out, many students looked at him with respect and gratitude.He had literally saved their lives.
Nangou Natsuki, busy managing the scene, also glanced his way.Her eyes held a faint, impressed gleam.
That student… truly remarkable.Another exceptional human had appeared.
And unlike the original timeline, Natsuki's current body wasn't a projection—it was her true form.After all, the devil she contracted with had been, in her own words, "comparatively honest as the Underworld goes."In other words… easy to persuade.
――――――――――
The incident at Kuoh Academy spread quickly through various factions.
A human capable of instantly eliminating Kokabiel drew considerable attention.Yet no faction reacted strongly. As Sirzechs and Rias had said—an S-rank was, ultimately, cannon-fodder tier.Not enough to change the world's balance.
Still, Izumi's sudden burst of overwhelming power certainly piqued curiosity.But only that—curiosity.
The world currently faced an invasion from another dimension.They had no spare time to investigate a strong human in Japan.The frontlines were intense; across the ocean, the so-called "Beacon Nation" was on the verge of collapse.
So the large factions left it alone.As long as Izumi belonged to their world, his strength was only beneficial.
Perhaps some small, shortsighted groups might try something, but the great powers wouldn't move.They had their hands full.
"Thanks for the info. Busy cutting invaders right now—no time to care.We'll just keep an eye on it. Going back to cutting things."
—Such was roughly the sentiment.