when she was young, Tomori couldn't make friends well due to her awkward personality.In middle school, Tomori was invited to form a band.This led to her forming a band called CRYCHIC as their vocalist and lyricist.However, after their first live performance, the band broke up, leaving Tomori in a broken state.She is currently the only member of the astronomy club in school.She had formed a new band called myGO!! and is recovering.She enjoys collecting trinkets, such as rocks and penguin bandaids