Princess Lover! Eternal Love for My Lady

Princess Lover! (プリンセスラバー! Purinsesu Rabā!) is a Japanese visual novel and the first title developed by Ricotta. It was first released as an eroge for Microsoft Windows on June 27, 2008, in both limited and regular editions, which was followed by an all-ages release for the PlayStation 2 on January 28, 2010. The gameplay in Princess Lover! follows a linear plot line which offers pre-determined scenarios and courses of interaction, and its story focuses on the appeal of the four female main characters.

Source: TheGamesDB