Gintoki and Nizo battle to the death on the deck of Takasugi's ship. The anti-battleship weapon Benizakura has infiltrated Nizo's mind, driving Nizo out of control. Gintoki fights back with a sword forged by Tetsuko. Nizo attacks with overwhelming strength, but slowly, the battle begins to turn in Gintoki's favor. Meanwhile, within the ship, Takasugi plans to use the Benizakura to overthrow the shogunate, but he is confronted by Tetsuya, the man who forged the Benizakura, Tetsuya's younger sister Tetsuko, and Katsura.
There's no way a person like you, always distracted by life's trivial things, can ever stop him!
¡Una persona como tú, que se distrae con 
cosas triviales, jamás podrá detenerlo!
Nunca que uma pessoa sempre 
distraída por trivialidades,