"Kid, Lord Hokage said you're too idle, so he sent me to take you to training. I hope you're mentally prepared."
"I have to train too?"
Boruto looked utterly baffled.
To prevent anything unpleasant from happening, Boruto would just have to suffer a little.
As for whether the kid was willing...
That wasn't important.
Giving Boruto special training was something even Naruto and Sasuke couldn't object to. It would be good enough if they didn't demand harsher training; there was no way they would plead on Boruto's behalf.
So Boruto prayed that Kisame would go easy on him and not be too ruthless.
With no way to escape and no one to plead for him, Boruto could only begin his miserable special training life.
Time passed without anyone noticing.
Once they realized there was no hope of returning home, Boruto, Naruto, and Sasuke gradually began to adapt to this world.
The only puzzling thing was that the Ōtsutsuki clan who wanted to seize the Nine-Tails' chakra showed no signs of appearing, as if they had vanished. No one knew whether they had never entered this world or were trapped in another one.
When the agreed time with Kumogakure arrived, Yan personally led a team to Kumogakure.
Orochimaru, Jiraiya, and Naruto were also part of the group.
The main purpose of this trip to Kumogakure was Naruto's training. It would be difficult for him to figure out on his own how to become the Nine-Tails' jinchūriki, so he still needed Killer B, a perfect jinchūriki, to help him.
Besides, Kumogakure's Turtle Island was well suited for this kind of special training.
"Speaking of perfect jinchūriki, I think Yagura was probably the strongest. Compared to Kumogakure's two perfect jinchūriki, Yagura became one through his own strength, without anything to learn from or