Yui Uwaha was born in Nagoya (Japan). She studied at the National Ballet School of Canada from 2007 to 2011, then at the Dutch National Ballet Academy (Amsterdam) from 2011 to 2013. As a trainee, she joined the Dutch National Ballet directed by Ted Brandsen in 2012, before being hired by the Ballet de l’Opéra de Nice directed by Eric Vu-An in March 2013, where she performed demi-soloist roles in ballets by Maurice Béjart, Jiri Kylian, Roland Petit, Nacho Duato and many others. She finally joined Malandain Ballet Biarritz in 2019.