Born into a poor farming family in Mikazuki Village, Nitta District, Jōshū, Monjirō abandoned his hometown at the age of ten. Since then, his family has scattered, leaving him utterly alone in the world. Eventually, he stepped into the life of a wandering drifter, always with a long toothpick in his mouth, embarking on aimless journeys. Though Monjirō tries to avoid getting involved in anything, he inevitably finds himself entangled in various incidents wherever he goes...