Black Zetsu reveals that he masterminded and influenced all the events from the end of Ashura and Indra's era to the current Fourth Great Ninja War. Naruto rejects Black Zetsu's claim that the entire history of shinobi was solely for the resurrection of his mother, Kaguya. Naruto and Sasuke work together to seal away Kaguya, but they can't find a way to counter her.

Hagoromo's two sons, Ashura and Indra, share a happy childhood, training and playing together. Indra is naturally gifted with great talent, and at a tender age is nicknamed the "genius of Ninshu." On the other hand, Ashura has no aptitude for Ninshu. Still, the two boys are very close. But Hagoromo is unaware of the malevolent power stirring in the shadows…