Tenkuu Senki Shurato: Sousei e no Anto
Genres: Action, Fantasy
Type: OVA, Episodes: 6
Aired: Sep 16, 1991 to Mar 16, 1992
Studio: Tatsunoko Production
Source: Unknown
Rating: PG-13 - Teens 13 or older
Synopsis:
This is the continuation of the TV series. The battle for the celestial sphere is over. Gai and Shurato have been erased from history. However, another danger is coming ahead, and the eight guardians are sent back to Earth to investigate. As Shurato tries to win back his friends in a world that has forgotten him, a new villain has a mysterious plan for them.

(Source: AnimeDB)