According to Famitsu news, social network game "Koi-ken!" was announced to get an online anime adaptation. It will be pay-streamed on smart phones from early 2012.

Koi-ken! game official website

Staff
Director: kamisiro
Scenario: Akao Deko
Production Studio: Marvy Jack ("Spice and Wolf II")

Cast
Wakamiya Kaede: Tomatsu Haruka
Toyama Nagisa: Nazuka Kaori
Akagi Sakura: Shintani Ryoko
Otowa Wakaba: Toyosaki Aki
Kikui Haruka: Inoue Kikuko
Kikui Mari: Kugimiya Rie
Yabuki Hotaru: Tange Sakura
Haru: Kitamura Eri
Totsuka Hibari: Sanada, Asami
Tsurumaki Shuzo: Shiraishi Minoru
Mr. Sekiguchi: Ishida Akira

Koi-ken! is Vector's social network bishoujo game first released in January 2010 on mobile phones. There are three million users. Players communicate with cute girls in "Romance Research Club" of a high school.

Source: Famitsu

Koi-ken! on MAL