Arc 3The Sea Capital's Expansion
Yuzuru brought allies and the Nine-Tails from Konoha to the Sea Capital, built its government and technology, and drew more jinchūriki and children into its plans. The arc ended with Temari studying in the Sea Capital and Hinata beginning her training under Yuzuru and Uchiha Hikari.
- Yuzuru returned to Konoha with Uchiha Hikari, reunited with Sakumo and his friends, and persuaded Kurenai and Shisui to leave the village with him.
- During the Nine-Tails' attack, Yuzuru exposed Obito, defeated Konoha's leaders, and took Minato, Kushina, Naruto, Hinata, and others to the Sea Capital, where Kakashi and Rin reunited with Minato and Kushina.
- Yuzuru established the Sea Capital's government, recruited Mikoto as his secretary and Orochimaru as minister of science and technology, and helped the Land of Water develop electric railways and new institutions.
- Yuzuru brought Nonō, Kabuto, and the orphanage children to the Sea Capital, appointed Utakata a guardian and academy teacher, and began planning for future wars against Madara Uchiha and Hashirama Senju.
- Yuzuru captured Roshi and Yugito, forced Ōnoki to hand over Iwagakure's technique scrolls, and had Kushina seal the Yin and Yang halves of the Nine-Tails inside Sasuke and Naruto.
- Yuzuru asked Hyuga Karen to let him train Hinata, sent Tsunade a message inviting her to the Sea Capital, and recruited Yugito to its guardians despite her concerns about fighting Kumogakure.
- Mei Terumi, Zabuza, Kisame, and Kakashi brought Temari from Sunagakure to the Sea Capital, where she enrolled in school and began studying its reforms.
- Two years later, Yuzuru arranged lessons for Naruto and Sasuke, while Hinata revealed her fire and lightning chakra natures and joined Yuzuru and Uchiha Hikari for training and dinner.