This is the third e-book.　The story goes like this: the main character, Thomas, is a collector for a power plant that runs on "kindness." A collector is someone who wears a machine called a Suction Machine on his back and goes around town collecting kindness. Thomas lives off the wages he receives from the power plant.　Thomas supports his family of four with what he earns, but they are very poor due to Thomas' own low sales.　At that time, Thomas' great aunt is hospitalized. In order to earn money for her hospitalization, he begins to visit people called Kindnesses, who are difficult to collect, in search of more kindness.　They tell him a major secret that the Kindness Power Plant is hiding, and the reason why his father, an engineer at the power plant, died.　Thus Thomas begins to have doubts about the power plant where he works and believes in, and he becomes troubled and confused. However, after meeting his grandfather, whom he learns was one of the ten people who helped rebuild the town after the war, his grandfather's younger brother, his great aunt, a researcher into methods of generating electricity through kindness, and the people of the downtown area who have been left behind by the town's development, Thomas comes to a big decision.And so, one day, he finally takes an unbelievable action.　This is the story of a kind-hearted man's kind adventure as he searches for a mysterious power plant called the Kindness Power Plant.