It is shortly after the fierce battle at Yoshiwara Shngri-la. Shinpachi and Kagura, having faced powerful foes in Hosen and Kamui unlike any they have encountered, are training hard after realizing their lack of strength. Both announce to Gintoki their determination to become stronger. But Gintoki declines to become involved, saying it’s a pain. Learning of the situation, Otae and Hasegawa share their training secrets, but…?