15 year old DJ Michiru Kaibara has found herself struggling a lot more mentally than before after her previous unit group UnichØrd disbanded... after many days of yearning... fate decides to make her meet up with former Lyrical Lily member Kurumi Shiratori, who despite her cheerful demeanour is actually more mysterious than she puts on. (Basically what could've happened if UnichØrd didn't make up in the sixth Side Nova)