Kiyoko was born in Saga, Japan.
Kiyoko graduated from Tokyo University of the Arts (Tokyo Geidai).(2007)
Also she completed her Master's singing degree (2010) and Doctor's singing degree PhD (2016) at the same University.
Kiyoko was for three years a member of the New National Theatre Tokyo Opera Studio.(2010-2013)
She was granted a fellowship to study for one year in the United Kingdom sponsored by the agency for cultural affairs, the Japanese government, as part of a program of overseas study for upcoming artists which sends young artists of proven talent abroad.(2014)
Kiyoko started to play piano from her childhood, and when she was a junior high school student she was singing in the school chorus. When she was a high school student, she started to study vocal classical music with Mrs. Hisako Higuchi.
After she graduated from high school, she entered The Tokyo University of the Arts. Mr. Michio Tatara, a famous Japanese bariton, was her mentor during the bachelor course. Meanwhile she participated in a summer musical seminar of "Die Universität für Musik und darstellende Kunst Wien", and she became fascinated by the European artistic flavour and lifestyle.
In the master course she studied Lied, specially the pieces of R.Strauss 《Vier Letzte Lieder》with Mrs. Noriko Sasaki, a famous Japanese lyric soprano.
In 2010 she got her master's degree in classical singing.
Kiyoko continued her study at the New National Theatre Tokyo Opera Studio for 3 years(2010-2013). She studied there with many great singers and coaches from Europe like Brian Masuda, David Gowland, Gabriella Tucci, Maria Cavazza, Paul Farrington, Sergio Bertocchi, etc. Kiyoko performed Giorgetta《Il Tabarro》/ Nella《Gianni Schicchi》/ Luisa《Luisa Miller》/ Susanna《Il Segreto di Susanna》/ Bianca《Eine florentinische Tragödie》/ Fiordiligi《Cosi fan tutte》/ Dame《Cardillac》, and more also she studied more roles.
Also she visited the "Opera Studio Nederland" in Amsterdam for coaching and training (2012). And she worked with the German Soprano Mrs. Krisztina Laki in Düsseldorf.
After she finished the opera studio, she went to London for one year (2013/14) to study with Mr. David Gowland, the Artistic Director of the Jette Parker Young Artist Programme and other coaches in the Royal Opera House.
Kiyoko performed in concerts for the Japanese Embassy in the UK, Pushkin House, and she sang St John Passion as soprano solist at the UK-Japan Music Society. She was invited to sing the Japanese and British national anthem at the Japanese Emperor's birthday celebration party, hosted by Japanese Embassy in the UK.
When she returned to Tokyo she continued to study the pieces of R.Strauss at the Tokyo University of the Arts.
In 2016 she got her doctor’s degree PhD in classical singing.
She is expanding her career in Europe and she moved to Amsterdam, the Netherlands in July 2016.
Since 2018, Kiyoko is singing in the choir of Dutch National Opera and Opera Vlaanderen as a freelancer soprano.