Serenade to a Pig's Belly Button

STORY

When a good-for-nothing fellow called Hirata Gosuke is about to hang himself at the top of a building, a female scholar named Tomoegozen saves him.
But Tomoegozen performs an operation on him: she implants an atomic bomb in his body and makes his navel into a switch for triggering a nuclear blast. Hirata Gosuke runs away with the pig that Tomoegozen is keeping. The government announces throughout the country on TV that Hirata Gosuke is an important person, and asks people not to arouse him. Hirata Gosuke has nothing to fear. If someone offends him even slightly, he has only to scare the person by saying that he would press his navel switch. And then, ...