[3][4] Kubota attended a technical high school, and while there obtained a license to operate a forklift and to arc weld.

As a senior in high school Kubota passed the Anisong vocal audition.

In 2012 she and five other singers who had passed the audition formed the idol group i☆Ris and debuted in the same year.

After graduating from high school she went on to university and continued her work as a voice actress and singer.

[8] In September 2017, Kubota was cast as Karin Asaka in the smartphone game Love Live School Idol Festival All Stars.