After returning home and telling Tsunade the good news—that they were finally allowed to visit Mito-sama—the first thing Arata did was head straight to the washroom to check his newly earned reward.
When he killed Zōshirō, he had fallen unconscious on the spot.
He hadn't had a proper chance to look at what he received.
Opening his system inventory now, he saw the icon symbolizing Obito's Mangekyō Sharingan.
[Complete Kamui: A full version of the jutsu that does not require the Sharingan.
Can be used without chakra; only stamina is consumed.
Both intangibility and dimensional warp are available.]
Just as he suspected—the complete version.
Arata immediately chose to activate it. With this ability, his survivability skyrocketed.
"Use! Complete Kamui!"
[Ding! Complete Kamui acquired. Ability transfer in progress…]
When the transfer ended, Arata instinctively understood how to use Kamui.
He couldn't help but test it.
Space warped around him, rippling like water—
and his body vanished.
When he rematerialized, he found himself in the Kamui dimension: an empty, endless space filled with floating geometric stone blocks.
It was identical to Obito's Kamui world.
Arata couldn't help thinking:
…Is my Kamui dimension connected to Obito's?
Testing further, he discovered Kamui required very little stamina—less than even casting a single Divine Punishment.
And without the burden of the Sharingan, he had no vision loss and no need to pursue the Eternal Mangekyō.
With Kamui also came the ability to grasp spatial coordinates.
If he wished, Arata could now warp anywhere in the shinobi world instantly.
When Arata returned from the Kamui space, he heard Tsunade knocking outside the washroom.
"Hurry up! Don't make Grandma wait too long!"
He quickly changed into more formal clothing—after all, he was meeting an elder.
Tsunade personally prepared a men's kimono for him, and Arata was quite satisfied with how it looked.
The white-and-black kimono suited him perfectly, giving him a composed, elegant air.
When he stepped out, Tsunade had also changed into a kimono.
On her figure, it was… devastating.
Arata couldn't help admiring her.
This… this kind of woman is going to marry me? I must have saved a country in my last life.
Tsunade noticed the way he looked at her, and her eyes brightened.
Arata was already handsome, but dressed like this, he was even more striking.
Tsunade wrapped her arm around his.
"Let's go~"
Arata kept his expression straight, even as happiness swelled in his chest.
"…Mm."
Being held by his future wife like this, he had to actively restrain himself from losing composure.
---
The two walked several kilometers outside Konoha until they reached a tall tower built beside a lake.
Arata found it oddly familiar—then remembered:
Wasn't this the same area where Kushina was taken when she gave birth to Naruto in the future?
His Mind Net confirmed the area was heavily guarded.
Each level had multiple jōnin patrolling, and at the top of the tower, there was a chakra signature belonging to a full-fledged elite jōnin.
All of them were likely Hiruzen's people, tasked with watching over Uzumaki Mito.
But then—
Arata sensed a terrifying chakra presence.
It blazed like fire within his Mind Net—its contours unmistakably forming the silhouette of a nine-tailed fox.
The sheer amount of chakra dwarfed even Hiruzen's.
It wasn't even close.
This must be Uzumaki Mito…!
Just as he suspected: Mito was the strongest person in Konoha at this moment in history.
Yet what Arata couldn't understand was:
Why would someone this powerful allow herself to be locked up in this tower?
If she wanted to escape, no one could stop her.
Carrying these thoughts, Arata and Tsunade climbed the tower.
On the central floor, they finally met Uzumaki Mito.
Although confined, her living conditions were quite luxurious.
The room was beautifully furnished, well supplied, and several attendants were present.
It seemed Sarutobi Hiruzen still had some shred of conscience left.
The moment Tsunade saw her grandmother, she rushed into her arms.
The two began chatting warmly, leaving Arata awkwardly standing to the side with nothing to do.
Fortunately, their reunion didn't last long. After a few minutes, Mito turned her gaze toward him.
"So you're Tsunade's boyfriend?"
Hearing her grandmother say it so casually, Tsunade actually blushed—something rare for her.
No matter how tough she acted outside, before her family she was still a girl.
Arata stepped forward and bowed slightly.
"My name is Arata. It's an honor to meet you, Mito-hime...."
Mito studied him with gentle eyes and nodded, clearly satisfied.