The story follows two brothers, and Hibito Nanba , who witness what they believe to be a UFO in 1996. This event leads them to make a childhood promise: Hibito, the younger brother, will go to the Moon, while Mutta, the older brother, will lead the way to Mars.
By the year 2025, Hibito has fulfilled his dream and is preparing for a NASA mission to the Moon as the first Japanese man to set foot there. Uchuu Kyoudai
After receiving encouragement from Hibito and his family, Mutta rediscovers his passion and enters the rigorous JAXA (Japan Aerospace Exploration Agency) astronaut selection program to catch up to his brother. Key Characters The story follows two brothers, and Hibito Nanba
Conversely, Mutta has lost his way. He is fired from his job as a car designer after head-butting his boss for insulting Hibito. After receiving encouragement from Hibito and his family,