Gojo is known for her theme song performances for anime series such as Ojamajo Doremi, Pretty Cure, and Yumeiro Patissiere.
Gojo held a normal office job after graduating university.
However she soon quit because she wanted a music-related job, and subsequently enrolled to a voice training class.
She was introduced by her voice trainer to the late Miki Matsubara, who offered her to sing an insert song for the 1999 anime series Ojamajo Doremi.
[4] That same year she also released Mayumi Gojo Vocal Best from Futari wa PreCure, a compilation of her Pretty Cure songs.