Hoshiful: Seitō Gakuen Tenmon Dōkōkai(ほしフル ～星藤学園天文同好会～, lit. Hoshiful ~Seitō Academy Astronomy Association~) is an adult Japanese visual novel developed by F&C F01 which was released on September 28, 2007 playable on the PC as a 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. Before the game's release, a manga based on the story, drawn by Japanese artist Hyura Konata, started serialization in the computer game and manga magazine Comp Ace on July 26, 2007, published by Kadokawa Shoten.