She met the president of Bushiroad, Takaaki Kidani, during one of her stage musicals which led to her being offered a chance to become a voice actress and auditioning for her first role in 2008.

[4][5] Prior to that, Mimori attended Komazawa University, but dropped out to concentrate on her career.

[6] From July to October 2009, she was a member of the singing group Cutie Pai as Suzy (which is the diminutive form of her given name).

From 2011 to 2016, Mimori was a member of Lily white, a sub-unit in the Love Live!

[7] In April 2019, Mimori announced her marriage to New Japan Pro-Wrestling wrestler Kazuchika Okada.