Vow at Sakurajima

Zusho's financial reform successfully clears Satsuma clan's debt, however, many people are still badly off. Young samurai, including Saigo Kichinosuke and Okubo Shosuke, feel hatred toward Zusho. Meanwhile, Zusho invites Okatsu and Naogoro to his place, asking Okatsu a favor before he heads for Edo.