At the Women’s Wrestling Arena Shinpachi roots for Otsu the fighting idol, Kagura gets all excited and storms into the ring, and Gintoki watches his friends in shame. Okita also happens to be there, and leads the trio down to the slums where they discover an underground coliseum called the “Rengokukan.” Investigating the high authorities’ support for these death matches, Okita points out Kidomaru, Rengokukan’s deadliest fighter in a demon mask, suggesting the Odd Jobs may find out something from following him. The gang scouts Kidomaru’s house, but...
But he'll do anything to protect his children.
Pero hará lo que haga falta 
para proteger a sus hijos.
Mas ele faz qualquer coisa para
 proteger suas crianças.