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. In the future, the Galaxy Railways transports citizens between planets. The trains are protected by the SDF, an elite fighting force tasked with keeping terrorists and aliens at bay. Though his father and brother were lost in service of the SDF, Manabu follows his dreams and joins the unit. His train to the stars is about to depart Destiny Station, but Manabu