Sasuke's real body watched Naruto produce all sorts of strange things, utterly puzzled.
"Naruto, why did you collect so much random junk? And why is there so much curly hair?"
Naruto flushed at the question and began to stammer.
"Ah, these are, well... the mediums needed for Impure World Reincarnation. Without them to guide it, this forbidden technique can't be performed."
Some of what Naruto had collected was DNA he had obtained from the cemetery at Konoha's Memorial Stone.
It included samples from Hyuga Hiashi and his wife, Hinata's mother, Rock Lee's parents, Sakumo Hatake and his wife, Guy's parents, Tenten's mother, and others. Most belonged to deceased relatives of the Konoha 12.
The rest was DNA from all the Uchiha killed on the Night of the Massacre.
Naruto had deliberately collected all of it as part of his plan.
Sasuke nodded at Naruto's explanation. He had some idea of Naruto's many abilities, but as his lover, all he needed to know was that everything this man did was for his sake.
When Sasuke asked no further questions, Naruto asked in confusion, "What's wrong?"
"Naruto, thank you."
"Idiot, I promised you myself back then that the Uchiha would become a great clan someday. Its former glory will return."
Sasuke nodded and said with relief, "Since people can't mold chakra in this world, everyone is effectively an ordinary person. That means they won't fight over power or the Sharingan."
"For the Uchiha, this really is a perfect world."
Naruto smiled and nodded at Sasuke's words. "A perfect world will have everything. There are already seven clans here, and I'm sure more will move here to live and raise families."
"But in the future... this perfect world will still turn into something like the outside world, with wars fought over power and