Mira Sasaki is a first-year high school student who wants to have the time of her life in a band. She told a teacher that she wanted to join the pop music band, but to her surprise, it had been disbanded! In fact, almost all music-related clubs had been wiped out! In this rare situation, Mira joined the only active music-related club, the Vocaloid Research Club. She didn't have the slightest clue what Vocaloid was, but her worries were quickly put to rest. She was soon surrounded by upperclassmen overflowing with their love for Vocaloid. Whether you love Vocaloid or don't know about it yet, everyone is warmly welcomed!