Show by Rock!!

Show By Rock!! (Japanese: ショウ・バイ・ロック!! Hepburn: Shō Bai Rokku!!) (also known as Show By Rock!! Gonna be a Music Millionaire!) is an anime adapted a rhythm video game developed and published by Geechs, in conjunction with Sanrio. It was released by Bones and aired in Japan between April and June 2015 on Tokyo MX as the first late night anime based on a Sanrio character or franchise.

Reverse Rhapsody (Season 1, Episode 10)
Chuchu, in a visit to Unicorn Virtual Music, gets brainwashed by Dagger into quitting Plasmagica.