Kanojo × Kanojo × Kanojo: Sanshimai to no Dokidoki Kyōdō Seikatsu (彼女×彼女×彼女～三姉妹とのドキドキ共同生活～) is a Japanese erotic visual novel developed by Crossnet, and released for Windows PCs on May 30, 2008. Kanojo × Kanojo × Kanojo was later released for the PlayStation Portable, and as a DVD TV game. A sequel visual novel, titled Kanojo × Kanojo × Kanojo Dokidoki Full Throttle!, was released as a PC game for Windows on February 27, 2009, and later released as a PSP game and DVD TV game as well. The story follows Shiki Haruomi, who begins living with three beautiful sisters after the volcano on his home island erupts.