Guy: Youma Kakusei
English name: Guy: Double Target
Genres: Action, Sci-Fi, Hentai
Type: OVA, Episodes: 2
Aired: Dec 6, 1988 to Jul 15, 1992
Studio: AIC
Source: Unknown
Rating: Rx - Hentai
Synopsis:
Guy is just one of those misunderstood, lovable fellows who just happens to be one of the nastiest soldiers of fortune you've ever seen... and his partner is worse! They could be, however, the only thing that can battle Dr. Vail and breathe afterwards!

(Source: AniDB)