Arc 3The Kirigakure Infiltration
Naoki Senju and Tsunade defeated Kakuzu, gained Uchiha Itachi as a covert ally, and joined Orochimaru’s plan to infiltrate Kirigakure. Their cover unraveled during Mei Terumi’s inauguration as the Three-Tails rampaged and an Iwagakure squad threatened the village.
- Naoki Senju and Tsunade helped Orochimaru ambush Akatsuki, and Naoki killed Kakuzu with Wood Release and water techniques.
- Naoki confronted Uchiha Itachi, promised to support the Uchiha, and persuaded him to secretly aid Konoha while preserving his cover inside Akatsuki.
- Orochimaru revealed that the Masked Man led Akatsuki, while Pain accepted Kisame Hoshigaki as Kakuzu’s replacement and ordered him to partner with Itachi.
- Orochimaru, Tsunade, and Naoki traveled to Kirigakure in disguises to attend Mei Terumi’s inauguration, while Orochimaru planned to investigate the village’s bloodline survivors.
- Mei Terumi staged a public account of the Bloody Mist’s end and was acclaimed as the Fifth Mizukage, while Naoki and Tsunade recognized the danger of her political skill.
- Naoki realized their identities were exposed and triggered a plan involving the Three-Tails, while Kabuto searched Kirigakure Prison and Mei ordered the suspected infiltrators arrested.
- The Three-Tails went berserk as prisoners escaped, and Utakata fought the beast while Ao captured an Iwagakure squad and hurried back to protect Mei from a possible attack.