Arc 15The Uchiha-Senju Alliance
Koki’s time among the Uchiha deepened his bonds with Madara and Izuna, while he rescued Tobirama and helped bring the Uchiha and Senju toward peace. The arc ended with Madara and Hashirama agreeing with Koki’s proposal to build a village where their people and children could be safe.
- Koki found the gravely wounded Sasori in the wilderness and carried him to safety, then later returned to the past and worried about those searching for him.
- Koki grew closer to Izuna and Madara, comforting them through war and family pressures while helping Izuna train and resolve to change his fate.
- Koki discovered the injured Tobirama by the river, treated him, and killed the Sarutobi pursuers who attacked them.
- Madara opened up to Koki about his father’s warning and his struggle over peace with the Senju, and Koki promised to support his choice.
- Koki persuaded Izuna and the Uchiha elders to accept the peace agreement, and the Senju and Uchiha celebrated their alliance.
- Hashirama, Madara, and Koki recalled their bond, and Koki proposed building a village that would keep children safe, which Hashirama and Madara supported.