Origin: Spirits of the Past is an anime film that premiered in winter 2006, produced by GONZO.

About the production: the story comes from an original script, the film runs about 94 minutes and its current status is "finished".

Its main genres are adventure, drama, fantasy, romance and sci-fi, with themes such as Environmental, Lost Civilization, Male Protagonist and Female Protagonist.

On AniList, Origin: Spirits of the Past has an average score of 65%, a good score, and appears on 16,005 users' lists.

Long ago, the Forest was awakened and the Moon unleashed a ravenous Beast upon the Earth. Centuries later, as humanity struggle to coexist with the Forest, Agito revives slumbering Toola, who calls forth ancient technology to reshape the future from the ashes of the past. With the blessing of the Forest, Agito must save Toola from herself in order to rescue them all. (Source: Crunchyroll)

Official synopsis from AniList.