sentences:  Ginga Hyōryū Vifam
  
  In the far-flung future of 2058, hostile alien forces (collectively known as the "Astrogaters") attack the human colony at Clayad, the third planet of the Ypserlon system, which is located 43 light years away from Earth.Because of this, the colonists on Clayad are evacuated from the planet by the human military.