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...
I'd rather my heart stopped than lost what's most important to me.
Prefiero que se detenga mi corazón antes 
que perder lo más importante para mí.
Prefiro que meu coração pare do que 
perder o que me é importante.