Odd Jobs, Katsura, and Sakamoto disguise themselves as Renho to join Fumiko in infiltrating the enemy base.  Dark Vader, feared by all as the evil lord, plans to use the Renho's anti-samurai Gunsams to attack while the people of Earth are distracted by the rain.  Gintoki and the others must stop the invasion of Earth before it's too late, but instead they appear to be bonding with the Renho.  That is when Elizabeth, General Eren, appears!
The Renho purge all who express dissent.
Los Renho eliminan a todo aquel que exprese diferencia.
Os Ren'ho eliminam todos 
que expressam divergências