Is A-Ko The Versus hentai?
English title: Project A-ko: Uncivil Wars
No
Rated R+ (Mild Nudity) on MyAnimeList and not tagged as Hentai.

OVA · 1990 · 2 episodes · R+ - Mild Nudity
Action, Adventure, Comedy, Romance, Sci-Fi, Super Power
A-ko and B-ko are bounty hunters in an untamed world. When a young heiress, C-ko, falls out of the sky and into their hair, they find themselves battling space pirates and galactic police. Turns out the high-pitched, hungry C-ko holds a secret—the spirit of an ancient evil—and is the center of a plot to destroy the universe!
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