Hoshiful: Seitō Gakuen Tenmon Dōkōkai (ほしフル ～星藤学園天文同好会～, translation: Hoshiful ~Seitō Academy Astronomy Association~) is an adult Japanese visual novel developed by F&C F01 which was released on September 28, 2007 as a PC DVD. A version for the PlayStation 2 with adult content removed was released on July 31, 2008. F&C is also known for other titles such as several Welcome to Pia Carrot games, and Canvas 2: Niji Iro no Sketch.