I-Chu

is a Japanese mobile game developed by Liber Entertainment. The original game was released on June 26, 2015, on Android and July 3, 2015, for the iOS. It was followed up with the release of an updated mobile game, I-Chu Étoile Stage, on April 30, 2020, while the original game was discontinued in July 2020. A port for Nintendo Switch was announced in October 2021, and was released in Japan on November 10, 2022.

Along with the game, the franchise has released several CDs portrayed by the characters in the game, and the success of the game led to several adaptations for the franchise, including stage plays and an anime television series by Lay-duce, which aired from January 6 to March 24, 2021.