Oppai Odyssey is an adult visual novel and dating sim, focusing on the crew of USF starship Agni as they traverse the galaxy in search of a new planet for humanity to colonize. Enjoy a fully explorable starship, filled with events to enjoy with your crewmates.

You are the captain of the USF starship Agni. Tasked with the mission of exploring uncharted planets in hopes of finding colonization targets, you will have the opportunity to experience the unique races and environments of the universe. Build friendship and share intimacy with your ragtag crew, as you traverse the mysteries of the universe and the nefarious plots of the USF.