Crash-landing on an unknown planet with no memory except her name, Celeste finds herself surrounded by strangers and dangerous enemies alike. Joining up with S.T.A.R., the Scouting and Terrestrial Assimilation Regiment, Celeste sets out to chart the unknown and conquer the indomitable wilderness of this wild alien world. A dungeon-crawling science-fantasy adventure following Celeste as she joins a party, chooses her class, and unravels the secrets of the planet.