Gdleen
Japanese title: ガデュリン
Type: OVA
Episodes: 1
Source: Light novel
Genres: Fantasy, Sci-Fi
Studios: Ashi Productions
Producers: Seta Corporation
Duration: 44 min
Rating: R+ - Mild Nudity

Due to a spacecraft failure, Ryu, a human astronaut, and the AI "MOS" are forced to crash-land on a mysterious planet called Gdleen. There, Ryu meets a cute Euradonian fairy named Fana. However, the planet is in the midst of a dispute over a supposedly magical temple. The self-proclaimed God Gavana captures Fana to use as a sacrifice, and it's up to Ryu to save her.
Will they all be able to escape? And what is the true identity of the being calling itself Gavana?

(Source: Translated from gdleen.hatsune.cc)