Soujuu Senshi Psychic Wars

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)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.