Soreyuke Marin-chan
Japanese title: それゆけまりんちゃん
Alternative titles: Marine A Go-Go
Type: OVA
Source: Manga
Episodes: 3
Status: Finished Airing
Aired: Dec 14, 2001 to Mar 28, 2003
Duration: 28 min per ep
Rating: Rx - Hentai
Studios: Studio G-1Neo
Producers: Pink Pineapple
Licensors: Kitty Media
Genres: Sci-Fi, Hentai

This 3 part hentai bishoujo OVA series is about an evil doctor that tries to collect the sperm of 100 guys, and the woman, Marin, that tries to stop her evil sister from accomplishing this. Based on the hentai manga of the same name. 

"For the bright future of Japan, I shall take your semen!"