S1·E7 The Kanazawa Night Raid

When Seii invades Kuzuryu Castle, tensions between Seii and Yamato come to a head. Sensing something strange about the situation, the Yamato army led by Ryumon decide to halt their advance. Meanwhile, having gone ahead, Tonotsugu's men enter Seii without knowing that war has broken out, and are given a warm welcome by Muuton Nagao.