"Hey, you little brat, just how have you been teaching Naruto?"
As Shinichi reclined in a chair, munching on sunflower seeds, a large face suddenly loomed before him. It belonged to an utterly aggrieved Jiraiya.
"How else? I just taught him."
Shinichi curled his lip and gave a halfhearted reply.
He had taught Naruto according to his fighting style in the original story. There was no way he could have led him astray.
"Then tell me, what kind of ninjutsu is this Rasen Shuriken?"
Jiraiya racked his brains, but he still couldn't figure out when the Rasengan had acquired an advanced version like that.
Shinichi saw that Jiraiya was nearly scratching his head raw in frustration, while Naruto looked full of anticipation. Even Tsunade had just come out of her room.
Sasuke and the other youngsters also looked over curiously. Since everyone was already here, Shinichi figured he might as well oblige them with a demonstration and give the kids an example to work toward.
"Come with me."
Shinichi stood up and stretched, motioning for everyone to follow.
Soon, he led the group to the area behind the Hatake Clan's training ground.
"Sage Art: Inorganic Reincarnation."
Yawning, Shinichi pressed both hands against the ground. All the nearby trees and earth seemed to come alive, twisting and gathering like rubber until they formed an enormous, solid fortress.
"Is that Wood Release?!"
Shizune exclaimed in shock.
"No, that's definitely not Wood Release!"
Jiraiya looked unusually grave as he said in a low voice, "This is a way of using natural energy. It's probably... senjutsu!"
As an inheritor of Mount Myōboku's teachings, Jiraiya had trained in senjutsu himself, so he knew perfectly well that Shinichi had just used natural energy.
Although he had no idea where Shinichi had learned it, this was genuine