Ep. 4: Shichika duels the formidable Sabi Hakuhei while Nanami defends against Maniwa Ninja attackers.

4

In the fourth month, Togame and Shichika meet Sabi Hakuhei, a top Japanese swordsman who demands a duel for their blades. Shichika finds this opponent significantly stronger than previous foes. Simultaneously, Nanami is targeted by a Maniwa Ninja squad attempting kidnapping. The attackers realize Nanami possesses greater strength than Shichika, despite him being the family head. She swiftly neutralizes the ninjas. Concurrently, Shichika overcomes Sabi Hakuhei, securing their fourth sword, Hakutou Hari. This victory establishes the siblings' combined power against external threats while highlighting Nanami's hidden combat prowess compared to her brother's established reputation. The events demonstrate the escalating danger from ninja factions and the growing capability of the Yasuri siblings to protect themselves and their collection of swords through direct confrontation and superior skill.