Arc 8Hikari and the Sun-Moon Alliance
Naruto and Hanabi returned from the past and joined the Allied Shinobi Forces in a war against Obito, Madara, and Black Zetsu, where Uchiha Hikari revealed her undercover role. After the war, the shinobi established the Sun-Moon Alliance, revived Kaguya, and learned that Hanabi had helped defeat Isshiki, while Naruto and Hikari set out to investigate the mystery of Yakumo Kurama.
- Naruto helped Uchiha Hikari break free from her clan’s prison, and she used her Yachihoko Dōjutsu to open a path through the Dragon Vein so he could return to Hanabi Hyuga.
- Naruto and Hanabi reunited in the Space-Time Tunnel and returned to the Rōran Ruins, where they warned the shinobi that Mōryō had survived and was devouring the Ōtsutsuki Gods.
- Naruto recognized Hikari as the Mangekyō Sharingan user aiding Obito and Madara, but during the war she revealed that she had gone undercover to capture Black Zetsu and rescue Obito.
- Hanabi regained her memories of Kaguya, and Naruto killed Black Zetsu after he urged them to resurrect his mother.
- Madara established the Sun-Moon Alliance to replace the old political order, became its chief, and helped end the Fourth Shinobi World War.
- Naruto, Hanabi, and Hikari revived Kaguya despite the Sage of Six Paths’ warning, and Kaguya revealed how Hanabi’s plan had helped her defeat Isshiki.
- Naruto returned to Konoha with Hanabi, Hikari, and Kaguya, then agreed to visit Kurenai with Hikari to learn about Yakumo Kurama.