Born in Osaka, Japan, where she started ballet at the age of three. In 2008 and 2009 she place in the top 12 dancers at Youth America Grand Prix in Osaka and New York where she received a full scholarship to the Kirov Academy in Washington DC. During her studying, she participated in the Jackson International Ballet Competition as a finalist. In 2012, she won the Bronze medal in the Boston International Ballet Competition and she was also a finalist at the Prix de Lausanne.
After graduating in the Kirov Academy, she received an offer from Hungarian National Ballet to dance in the Corps de ballet and in 2014 in the Stuttgart Ballett in Germany. Since 2017, she has been with the Czech National Ballet, where in the 2019/20 season she was named a soloist.
With great energy and precision, she has portrayed the roles of Clara Cratchit and Chinese dance in The Nutcracker – A Christmas Carol (Vàmos), the Polish princess and Pas de six in The Swan Lake (Cranko), the Main temple girl in La Bayadère (Torres) and she has danced in La Fille mal gardée, Snow Queen (Corder), The Little Mermaid (Kodet).
Ayaka has also danced in modern and neo-classical choreographies, including Cacti (Vertigo, Ekman), Bella Figura (Kylián), Rain (Vertigo, Poklitaru), Tremble (Zuska), Serenade (Timeless, Balanchine), Le sacre du printemps (Tetley), Aspects (Kozielska), Perfect Example (Kaydanovskyy), KAFKA: Proces (Bigonzetti).