Following a spacecraft malfunction, Ryu, a human astronaut, and the AI "MOS" are compelled to crash-land on the enigmatic planet Gdleen. There, Ryu encounters Fana, an adorable Euradonian fairy. Nevertheless, the planet is embroiled in a conflict concerning a purportedly magical temple. The self-styled deity Gavana seizes Fana to serve as a sacrifice, leaving Ryu to rescue her. Will they all manage to escape? And what is the actual identity of the entity claiming to be Gavana?