Space Brothers, Vol. 1,

Two brothers looked to the starry skies as children and made a promise. And now, in the year 2025, the younger brother, Hibito, is carrying out his promise. He is an astronaut who has been selected as a crew member for mankind’s first long-term base on the moon. Meanwhile, the older brother, Mutta, has just been fired from his job and is unemployed. A text message from Hibito sends him applying to be an astronaut and shooting for the stars!"