According to Pony Canyon PR producer's tweet, PlayStation2 game "Amagami" (English Wikipedia) was announced to get a TV anime adaptation. It will be aired this summer. The series will be divided in an omnibus style and the heroines will be featured in turn. The ED themes will be made for each of the heroines as well.

Title: Amagami SS (official website)

Staff
Director & Series Organizer: Hiraike Yoshimasa
Episode Scripts: Kimura Noboru ("Mayoi Neko Overrun!", "Solty Rei"), Machida Tohko ("GA: Geijutsuka Art Design Class", "Lucky ☆ Star")
Character Design: Goda Hiroaki ("Onegai Twins")
Production Studio: AIC

Cast　
Tachibana Junichi: Maeno Tomoaki
Ayatsuji Tsukasa: Nazuka Kaori
Sakurai Rihoko: Shintani Ryoko
Tanamachi Kaoru: Sato Rina
Nakata Sae: Konno Hiromi
Nanasaki Ai: Yukana
Morishima Haruka: Ito Shizuka
Tachibana Miya: Asumi Kana
Umehara Masayoshi: Terashima Takuma

Amagami game was released in March 2009 and three manga adaptations "Amagami precious diary", "Amagami Sincerely yours" and "Amagami Love goes on! " have been serialized in Monthly Young Animal, Famitsu Comic Clear, and Dengeki Maoh, respectively.

Source: Nojitetsu's tweet, Famitsu (with a PV)