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 Windows 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.

[8][9] While the scenario in the game was worked on by Shigeta and Hideto Mayura,[8] with Hozumi Nakamoto who provided assistance in the preparation of the story.

[7] The limited edition release included the game itself, an arrange album titled Kira-kira Sound Festival, an art collection by twelve different artists, and a clear plastic casing.

The radio show is hosted by Kimiko Koyama and Shizuka Itō, who voiced Melilot and Herena in the visual novel,[13] and is produced by Onsen.

A second manga adaptation was serialized irregularly between the April 2008 and August 2008 issues of Dengeki Daioh, published by ASCII Media Works on February 21 and June 21, 2008, respectively, and concluded with four chapters.

From mid-February to mid-March, the limited edition of Twinkle Crusaders was the eighth most pre-ordered title,[14] according to a Japanese national ranking of PC games.