Soujuu Senshi Psychic Wars
English title: Psychic Wars
Japanese title: 捜獣戦士サイキック・ウォーズ
Type: OVA
Source: Novel
Episodes: 1
Status: Finished Airing
Aired: Feb 22, 1991
Duration: 54 min
Rating: R+ - Mild Nudity
Studios: Toei Animation
Licensors: Manga Entertainment
Genres: Action
Themes: Mythology, Super Power, Time Travel

Ukyo Rettsu, a surgeon, treats a mysterous old woman for a mysterious "cancer." The growth turns out to be a messenger from the ancient past of Japan heralding a demonic invasion of the Earth. Ukyo must go back in time and fight the race of ancient demons. 

(Source: AniDB)