A recap OVA that portrays the first half of the series Heavy Metal L-Gaim. After the credits, there is a short clip animated for the OVA entitled "Lady Gyabure", which is intended to be comic relief.
Watch Juusenki L-Gaim I: Pentagona Window + Lady Gablae episode 1 online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.