One morning, Gintoki, Shinpachi and Kagura wake up in darkness. “Wake up,” a voice in their heads says. The three are unable to understand the situation and go back to sleep. “Release your inner power,” the voice persistently tells them. But Gintoki and the others ignore it and stay fast asleep. Offended by their rude behavior, the owner of the voice shows himself. Amazingly, it is Lake Toya, the immortal who lives within Gintoki's wooden sword! The immortal tells them that he will teach them powerful secret techniques. In response, the three…
I know you worked really hard to think up the ultimate technique!
¡Sé que te esforzaste mucho
 para idear la técnica letal!
Sei que você se esforçou um monte
 para bolar a técnica suprema!