In Oppai Odyssey, you command the USF Agni, a starship. You and your crew are exploring all kinds of uncharted worlds to find a place suitable for a colony. You get to meet all kinds of aliens and see all kinds of worlds. Along the way, you also get to experience new friends as well as intimacy and unravel the USF's evil plots. Have fun building your relationships with the crew and others in your mysterious journeys.