"Sparkling") is a Japanese adult visual novel developed by Overdrive and first released playable on a Microsoft Windows PC on November 27, 2007.

A version of the game with all adult content removed was ported to the iPhone and iPod Touch by M-Trix Inc. and was released on the App Store on November 20, 2009.

The protagonists of Kirakira, Shikanosuke, Kirari, Sarina and Chie are the members of the second literary club (第二文芸部, daini bungeibu) at the Christian school Ohbi Gakuen.

They honestly want to disband after the performance at the school festival because they had to study for entrance exams or look for jobs, but they were convinced to go on a live tour by Yagihara, the vocalist of Star Generation.

The character design and art direction was headed by Shinji Katakura who returned after his work on Edelweiss.