Moldiver
Japanese title: モルダイバー
Type: OVA
Source: Original
Episodes: 6
Status: Finished Airing
Aired: Feb 25, 1993 to Nov 25, 1993
Duration: 29 min per ep
Rating: PG-13 - Teens 13 or older
Studios: AIC
Producers: Pioneer LDC
Licensors: Geneon Entertainment USA
Genres: Action, Romance, Sci-Fi
Themes: Mecha

Hiroshi Ozora invents the Mol Unit, a device that makes its user invincible. His plans of becoming a super hero are short lived however when his sister, Mirai, accidently modifies the suit configuration. Now she is forced to save Tokyo by herself from the evil Machinegal and his gang of all-female androids. 

(Source: ANN)