Sei Michaela Gakuen Hyouryuuki
Genres: Erotica
Type: OVA, Episodes: 2
Aired: Jun 22, 1990 to Jul 25, 1991
Studio: Visual 80
Source: Unknown
Rating: R+ - Mild Nudity
Synopsis:
Reborn as a woman named Aiko, the soldier rises as the military leader of a new crusade, successfully unites the world and abolishes all religion. Haunted by memories of a past life, Aiko travels backwards in time, and finds herself caught in an incredible battle to save the future.

(Source: ANN)