Nanba Mutta

Nanba Mutta (also known as Mu-Chan) is one of the protagonist in the series and the elder Nanba brother who was born on October 28, 1993, when Japan lost the Football (Soccer) World Cup preliminaries.

Mutta was fired from his job after assaulting his boss who insulted his younger brother Nanba Hibito, after some encouragement from his brother, and his mother sending his resume to JAXA, he decides to follow his dreams and become an astronaut.