Tsukino Ishii was born in Japan in 1999. She completed her basic training at the Emi Miyoshi Ballet Studio from 2004 to 2016. Australia was then the next stop in her training career from 2016 to 2017, before she continued it at Miami City Ballet from 2017 to 2019. In 2020, she moved to Columbia Classical Ballet Company, where she danced as a soloist in The Nutcracker and Giselle, among others. The talented Ishii has been in St. Pölten since 2021 and enriches the ensemble of the Europaballett with her dancing.