The Galaxy Railways: A Letter from the Abandoned Planet/The Galaxy Railways: Planet of Forgotten Time (Ginga Tetsudou Monogatari: Wasurerareta Toki no Wakusei)
In the future, the trains of the Galaxy Railways transport citizens between planets, protected from terrorists and aliens by the elite SDF. Though his father and brother were lost in service of the SDF, Manabu follows his dreams and joins the unit.