fortissimo//Akkord:Bsusvier (フォルテシモ アコルト ビーサスフィーア)
R-15 bishoujo battle game by La'cryma. Later, its "completed version" was released as fortissimo EXA//Akkord:Bsusvier.
Main illustrator: Ooba Kagerou
Other illustrators: Takano Yuki, Tateha, Tanihara Natsuki, Konata and Takatou.