While there is limited information known about this game just yet as Nippon Ichi Software have not issued a formal announcement, artwork or screenshots, the latest issue of Dengeki PlayStation in Japan have confirmed that the developer / publisher are working on a new PlayStation 3 game titled “ハーレム天国だと思ったら、ヤンデレ地獄だった”, unofficially translated as I Thought It’d be Harem Paradise, But It Was Yandere Hell.
The game is reportedly going to be a visual novel featuring writing by Katsunori Kobayashi and Kikakuya, direction by Tatsumi Takuma and character designs by Hiiro Yuki. This ADV style visual novel is set for release in Japan on the 24th April 2014, with a download edition to set one back 5,714 yen and a retail release at 6,800 yen.
Edit: Fixed link to source.
[Source: Re:Gigen]