Heavy Metal L-Gaim III: Fullmetal Soldier (1987)

OAV 1 includes an omake where Gablae devises a plan to get Daba. OAV 2’s omake involves the female cast as wrestlers, with the male cast as announcers. OAV 3 concerns Leccee and the crew of the Turner while they are on Gastrogal. Leccee’s grandfather Sayi has lost a lot of respect among the Group of 13 by her defecting to the rebels, and Bogedo Bulido wants to gain honor with Poseidal by capturing her.

Source: www.anisearch.com/anime/3503