X OVA
English title: X: An Omen
Japanese title: X -エックス-第零話 予兆
Type: OVA
Episodes: 1
Source: Manga
Genres: Action, Drama, Fantasy, Mystery
Studios: Madhouse
Producers: Bandai Visual, Kadokawa Shoten, d-rights, chara-ani.com
Duration: 22 min
Rating: PG-13 - Teens 13 or older

In this prequel to the "X" TV series, a beautiful, young, bedridden dreamgazer named Kakyou remembers the life and death of a remarkable young woman whom he met in dreams. He also recounts his dreams of a tragic future in which the fate of the Earth will be decided.

(Source: ANN)