Roots Search: Shokushin Buttai X
English name: Roots Search
Genres: Horror, Sci-Fi
Type: OVA, Episodes: 1
Aired: Sep 10, 1986
Source: Original
Rating: R+ - Mild Nudity
Synopsis:
When a research crew in deep space discovers the desolate ship "Green Planet" that warps into their area, they encounter Buzz, the commander and sole surivor of the ship. Being too incapacitated to make them aware of the situation of his ship, the research team will soon discover that they have found something far, far worse... 

(Source: BakaBT)