Representatives of Kairōshū and Banten reach Alya academy located in the Kouga village to discuss the future of the world of Nabari and are welcomed by the students of the academy since the leader of the village is on his deathbed. Secretly, everyone is just behind the Kouga kinjutsu scroll. Thobari is unable to understand why Miharu has defected to Kairōshū. The students of the academy attack the Kairōshū and Banten ninja at night.