Dobinson, a young boy from a pod star far away in space, is involved in a spaceship accident, escapes on a space lifeboat, and ends up washed ashore on Earth. Dobinson, who ends up staying at Masaru's boy's house with Roboto, builds various machines to return to his home planet while aiming to publish ``Dobinson's Drifter'', which records events on Earth, on his home planet. However, the machine created by Dobinson, who is not familiar with Earth's common sense and is made of unfamiliar Earth materials, causes various disturbances.