For years, Naruto was the target of Nine Tails’ undying hatred. But their time together has made Nine Tails understand Naruto more than anyone. As Naruto continues to try and free Four Tails from Madara’s control, Nine Tails begins to undergo a change.

Naruto finds himself inside Four Tails’ inner world, where he promises to free Four Tails from Madara’s control. Listening in on their conversation, Nine Tails recalls all the time he has spent sealed inside Naruto.