He-El Universe.
Within the Traversal Vortex of the Naruto world, Neji Hyuga's consciousness carried a white figure and the Great Slug Sage, shrunk to the size of an ant, as they shot out of the vortex and plunged into He-El's forehead.
"Hmm... Letting the World Tree grow alongside each universe would benefit the universes while also perfectly detecting their underlying operating logic. Although this method would be very slow, it is indeed the safest and most reliable approach." He-El pondered. "Using the physical bodies and spirits that commonly exist in every universe..."
As He-El contemplated the inspiration Neji Hyuga had gained from his experiences in Naruto, the white figure He-El had brought out—Otsutsuki Kaguya—was stunned to find herself standing amid the cosmic stars. Countless Traversal Vortices formed a wall before her, and Neji Hyuga had just brought her out through one of them.
"Countless worlds?" Otsutsuki Kaguya had pale skin, blue-white hair cascading to her heels, a delicate face, two horns on her head, and a white robe patterned with black magatama. Her Byakugan eyes and the Rinne-Sharingan on her forehead revealed her shock as she asked He-El in disbelief, "Is this your true form? Neji Hyuga, have I truly escaped the Otsutsuki Clan's universe?"
Still comparing and considering Neji Hyuga's insight, He-El looked at Otsutsuki Kaguya and smiled faintly.
"My name is He-El. Welcome to New Krypton."
"Otsutsuki Kaguya, I know what you are worried about. Let me make this clear: you are no longer the Otsutsuki Kaguya of that universe. You are Otsutsuki Kaguya of New Krypton."
"Welcome to my universe, the He-El Universe!"
When Neji Hyuga left the Naruto world, he brought Otsutsuki Kaguya, the origin of the entire Shinobi World, back to the He-El Universe.
Otsutsuki Kaguya could be said to be the source of all