The Gang Sex Club (OVA)

Also known as Rinkan Club or Gang Rape Club, is the OVA adaption of The Gang Sex Club.

It is a Pixy production.

Summary
A dark ceremony existed that had been handed down for thousands of years in the old rural mountain town of Rinin. That ceremony, enacted to protect the region from disease and crop failure as a curse from the region's guardian deity.

Either by one's own free will or appointed by a family member, a shrine maiden, will be impregnated for a month.

In Rinin High School the ritual once more will begin, forcing the girls to become the sacrifices of the towns happiness.

Differences to Game:

 * The male protagonist is removed, follows female route with Tamura Motoko.
 * The deep friendship that the male character had to Katsuragi Maki is moved to the female one.
 * Alot of characters are not featured.
 * Nakamura Tomonobu is not a villain.
 * Kajimura Eizou blackmail conflict is removed.
 * Ending strongly changed, while Yamazaki Suzuko can trick the system, she doesn't only make Motoko shrine maiden but also the entire Katsuragi family.
 * Making both Katsuragi Aiko and Katsuragi Maki shrine maidens at the same time which is not possible in the game.
 * Alot of the events are a mix of both routes or not in it.
 * Making Maki and her sister Nakamura Shiori becoming shrine maidens is no longer a plan to take also the the antagonists down, and is no longer wanted by them in the first place.
 * Backstory is fleshed out with the deities and told in the intro.

Main characters

 * Hina Nakase as Yamazaki Suzuko
 * Miyabi Shion (MARIO) as Katsuragi Aiko
 * Junko Nakata as Katsuragi Maki
 * Emi Motoi as Nakamura Shiori
 * Mari Oda as Tamura Motoko
 * Yuuki Kajita Yamanaka Tomomi

Secondary characters

 * Daisuke Kageura as Katsuragi Toshio
 * Kazuto Kobayashi as Tanoue Kenyi
 * Sakura Akari as Katsuragi Mamoru
 * Nakamura Tomonobu