Yui Ugai was born in Hiroshima, Japan. She majored in drama at high school and studied dance and music at Kobe University.
In her career as an actress, she worked with the Hollywood casting director Yoko Narahashi. Yui was a heroine for the short film “Raptura” premiered in imagineNATIVE Film+Media Arts Festival at TIFF and ReelWorld Film Festival. In Japan, she has produced the annual dance event, “Dance Kotoen” sponsored by Nishinomiya City in order to support young artists and community since 2011. Yui also has obtained professional ballet training at the Royal Academy of Dance (RAD) under the tutelage of Owen Montague and Joannes H. Nuyts, and she was awarded a prize for excellence in dance by the magazine, Dance Dance Dance (DDD) in 2008. Yui holds BFA in Dance from York University in Toronto. She has performed with York Dance Ensemble, Skindivers, Limitless Productions, Parahumans, The Little Pear Garden Collective, Ballet Creole, KasheDance Company, Anima Inc. and The Toronto Blue Jays.