"Eye-related skill fusion chance: Can integrate all host abilities related to the eyes into one. All abilities gain enhancement. Side effects are either canceled or weakened depending on their severity. The external appearance when using the skill will undergo a permanent, irreversible change."
All things considered, it was a deal that wouldn't result in a loss.
That was Hiro's conclusion after listening to the System prompt.
He casually waved at the blonde girl fighting in the distance, treating it as a greeting.
Then he stood on the rooftop of the three-story building beneath his feet and quietly observed her struggle.
He didn't intervene.
He simply let Jeanne glare at him with puffed cheeks.
After all, her opponents were just a group of low-class devils whose only real strength lay in keeping themselves alive.
It was only a matter of time.
Below, masses of pitch-black "slime" wriggled together, making it impossible to tell how many enemies there actually were.
If not for [Psychological Manipulation] allowing him to sense biological thoughts, Hiro wouldn't have been able to distinguish them either.
"Since you're already watching, can't you come down and help me? This thing is disgusting!"
While creating Holy Swords to block the slime's attacks and carve through its body, Jeanne transmitted her voice directly to Hiro.
So you know it's disgusting too.
Hiro muttered inwardly.
He used the reward he had just obtained from Jeanne, flashed her a bright, toothy smile, and raised his right thumb.
"It's fine. I believe in your strength!"
"Ding! The host's eye-related abilities-Rinnegan, God's All-Seeing Eye, and Sodom's Eye-are beginning to fuse."
As the System prompt echoed in his mind, a cool, comfortable sensation emerged from nowhere and instantly filled his tea-colored pupils.
Feeling a slight discomfort, Hiro narrowed his eyes.
He looked at the blonde girl fighting below, cheeks puffed in irritation, and found it faintly amusing.
As expected.
Slimes were one of a girl's greatest enemies.
Even for someone like Jeanne.
He's really just standing there watching me fight this disgusting thing... not even willing to help!
What an ungentlemanly guy! And I thought he was a human Cao Cao valued.
Jeanne shot an annoyed glare toward the unwelcome spectator above and continued fighting on her own.
As a human.
As a Longinus wielder.
As a powerful existence.
It wasn't strange that Hiro had caught Cao Cao's attention.
And it wasn't strange that Jeanne, one of Cao Cao's close associates, recognized him.
I'll remember this day, Nanamiya Hiro.
After enduring the ordeal for a while longer, Jeanne finally decided to use a move she hadn't wanted to rely on.
"-Balance Breaker."
A soft, almost moan-like sound slipped from her pink lips.
Blocked by the wall behind her, a silver-white sword body rapidly condensed, forming behind Jeanne before transforming into a towering Saint Sword Dragon.
Its body was silver-white.
Its wings deep blue.
Several stories tall.
"Judgment Saint Dragon!"
"Grind that disgusting thing in front of me until there's not a single speck left!"
With sharp bangs and metallic crashes ringing out, Jeanne thrust her silver-white holy sword forward and shouted her command.
Roar. Roar. Roar.
The newly formed Saint Sword Dragon responded at once.
After ordering it to attack, Jeanne herself formed wings from Holy Swords and flew toward Hiro.
"Ding! Fusion successful. Congratulations to the Host for obtaining All-Encompassing Sight."
As for side effects-
The only time Hiro had ever experienced any was back when his Mangekyō Sharingan hadn't yet evolved into the Rinnegan, when he used Kotoamatsukami to plant a seemingly useless pawn in the Land of Oz.
After the Mangekyō upgraded, he'd never felt discomfort again.
Of course, that might simply be because he hadn't used Kotoamatsukami since.
[Sodom's Eye] had no side effects.
And the [God's All-Seeing Eye], which differed from Leonardo's version, was the same.
Watching the blonde girl approach, Hiro hesitated for two seconds.
Then he tentatively activated [All-Sight].
Like a summer night sky-deep, filled with countless stars.
Yet also like a soul-corroding poison bait.
Something that could make one sink just by looking at it.
The moment his eyes opened, the scenery before him turned completely white.
"Cough-cough."
Hiro awkwardly cleared his throat and covered his nose.
He silently deactivated [All-Sight] and chose not to use [Vector Manipulation] to control the blood flow in his body.
It was a powerful ability.
Better not to explore that aspect the first time.
Otherwise, it felt... off.
Jeanne landed in front of Hiro in a huff.
Looking at his utterly unapologetic yet inexplicably charming face, her heart fluttered for just a moment.
Why didn't you help me?
Suppressing the urge to blurt that out, Jeanne slowly settled beside him and took a moment to choose her words.
"Nanamiya-kun."
"Seeing a girl suffering right in front of you... shouldn't you, as a gentleman, step forward to help?"
"With your strength, you weren't worried about losing, were you?"
Her face slightly flushed, the blonde girl stood directly in front of him and met his gaze.
Between daring not and worried about losing, Jeanne deliberately chose the latter.
She didn't want to sound too aggressive.
She didn't want to leave behind the impression of being "vicious."
Even though what had already happened couldn't be undone.
"How could I?" Hiro shrugged, replying with a sincere expression. "I just honestly thought you could handle it."
Jeanne wasn't an irredeemable villain like Rizevim or Euclid.
And aside from her joining the Hero Faction, the original work had little information about her.
But Hiro had no intention of investing more effort in her now.
Her looks were excellent.
But still far inferior to Rias, Akeno, Grayfia, and the others.
And so-
A profound eye, patterned like a cosmic star map, quietly replaced his pupils as they met Jeanne's surprised gaze.
Kotoamatsukami.
"Master!"
In the very next instant, Jeanne dropped to one knee, her face filled with fervent devotion.
Hero Faction undercover.
Starring ×2.
"Hm."
Hiro raised his hand and rubbed his left eye.
No discomfort.
Just as expected.
Today's problem is solved.
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