Synopsis for the Theatrical Short Hoshi O Katta Hi (The Day I Harvested A Star , The Day I Bought a Planet)

A young boy, tired of the city, escapes into the country. When trying to bring vegetables to the market to sell, his cart breaks down. Two strangers, a frog and a mole, offer him a strange seed in exchange for the vegetables. The boy accepts and finds the seed grows into a miniature planet. It continues growing as he tends to it, forming an atmosphere, weather systems and life. After being taken back to the city, he meets the strangers who sold the seed to him. They release the planet into a galaxy of similar planets where it will grow for years until becoming a true planet.