As Kokubouro descends, Masamori and his Night Troops are still preoccupied elsewhere leaving only Yoshimori, Tokine and Shishio to defend Karasamori. They end up in a battle with one of the leaders of Kokuboro. They must try their hardest to survive as all possible reinforcements are being distracted, and delayed by other Kokuboro forces.
黒芒楼の大軍が烏森に襲来し、良守、時音、志々尾は応戦するも牙銀のすさまじい攻撃に圧倒される。一方、東北におびき出された正守と夜行たちは、扇の差し金の案件を片付けようと奮戦していたが…。
