Twinkle Crusaders(ティンクル☆くるせいだーすTeinkuru Kuruseidāsu, commonly abbreviated as Kurukuru(クルくる)) is a Japanese visual novel developed by Lillian, and was originally released as an adult game for the PC on September 26, 2008. The game is described by the development team as a "Heart-pounding exciting student council love comedy"(どきどきワクワク生徒会ラブコメDokidoki Wakuwaku Seitokai Rabukome). The gameplay in Twinkle Crusaders follows a linear plot line, which offers pre-determined scenarios and courses of interaction, and focuses on the appeal of the five female main characters.