A Milestone in History!! 500 Person Sex!!
Features 250 couples practicing choreographed and synchronized lovemaking in a gigantic warehouse.
- Year: 2006
- Country: Japan
- Genre: Documentary
- Studio: SOD Create
- Keyword: orgy, reverse cowgirl
- Director: Yukitsugu Tsuchiya
- Cast: Riri Kouda, Mio Kimijima, Yumi Kazama, Ema Hijiri