She was born on October 5, 1993 in Kyoto, Japan. Miyamoto was in a previous band called "Witch's Sin", but wanted she wanted try out another band. She put an AD in the Kyoto newspaper stating that she was interested in joining a new band thats when Trans-Siberian Symphony lead guitarist Kazuki Sato, contacted her asking if she would be open to joining the band, she said yes. She flew down to San Jose, California in December 2016, where Trans-Siberian Symphony had just finished the tour for "The Lost Winter Night" tour. Miyamoto auditioned as the keyboardist, the role she played in her previous band. They were impressed, so as a result, she officially joined the band. Miyamoto released her own solo album entitled "Land of Dreams" in 2017. Miyamoto is also a singer for Trans-Siberian Symphony with full writing credit on their 2018 album "Dead Winter Dead".