女の穴 (Girl's Hole)
We are not sure of the release date for 女の穴 (Girl's Hole). It was released at the box office on 2014-06-28 so we estimate it was released to DVD in September 2014.
Onna no Ana (女の穴?) is a Japanese manga written and illustrated by Fumiko Fumi and published by Tokuma Shoten on the Ryu Comics imprint on September 13, 2011. It was adapted into a live action youth erotic science fiction film directed by Kōta Yoshida and release on June 28, 2014.