Pinnacle of Violent Fantasy Hentai ! First of all, what makes it a great anime and stand above other similar works in popularity is its great story telling and drama. The background story of a global genesis is interesting on its own right, but what really attracted me (and, I guess, anime fanbase in general) was the details of the story telling itself and the characters. You can really relate to Niki, and his story arc. Confrontation of Akemi with Nagumo just before the conception scene carries you away. On top of the great drama, we are bombarded with the best animation possible. The action scenes arebreathtaking. They flow seamlessly. Gory details are fantastic and creative.

The sex scenes are detailed and have just enough length and frequency. Sex scenes are not so overwhelming that this is just a hentai with a side story. They are placed so that this OVA is a great anime with enough sex and vioelence scenes to make it more interesting.

Great work overall, and dare I say the best of its kind, that is violent fantasy hentai!