Plot: Project Sekai: Colorful Stage! feat. Hatsune Miku is a Japanese mobile rhythm game developed by CyberAgent's Colorful Palette and Craft Egg, and published by Sega Corporation. Wikipedia
Plot: BanG Dream! Girls Band Party!, also known as Garupa, is a mobile rhythm game developed by Craft Egg and published by Bushiroad for the Android and iOS platforms. Part of Bushiroad's BanG Dream! music franchise, it was released in Japan on March 16, 2017. Wikipedia
Plot: The Idolmaster Cinderella Girls: Starlight Stage is a Japanese free-to-play collectible card and rhythm video game in The Idolmaster series co-developed by Cygames and Bandai Namco Studios and published by Bandai Namco Entertainment. Wikipedia