Show by Rock!! was a Japanese mobile rhythm video game developed and published by Geechs, in conjunction with Sanrio. It was Sanrio's first-ever franchise project aimed for the older demographic and the company's first music-based franchise. The game was released on July 30, 2013, for iOS and on June 27, 2014, for Android devices. In January 2018, development transferred from Geechs to Edia with its service discontinued on December 26, 2019. A successor to the original game was later developed by Now Production and published by Square Enix on March 12, 2020, on all mobile platforms with its service discontinued on November 30, 2022.

Sanrio Company, Ltd. is a Japanese entertainment company. It designs, licenses, and produces products focusing on the kawaii ("cute") segment of Japanese popular culture. Their products include stationery, school supplies, gifts, and accessories which are sold worldwide, including at specialty brand retail stores in Japan. Sanrio's best-known character is Hello Kitty, a cartoon cat and one of the most successful marketing brands in the world. Sanrio's mission and vision statements are "everyone getting along together" and "One World, Connecting Smiles".