[2][4] Sumire was accepted to Carnegie Mellon University in Pittsburgh, Pennsylvania, where she pursued a Bachelor of Fine Arts in musical theater and acting.

[2] Sumire is represented by the Japanese talent agency Sky Corporation (for entertainment activities and advertising).

[5] In 2014, Sumire guest starred on Hawaii Five-0[2] as tour bus robber Keilani Makua in the episode "Kanalu Hope Loa".

In 2017, Sumire made her Hollywood debut in the American Christian drama The Shack where she played the role of Holy Spirit (Sarayu).

[6][7][8][9] In 2019, she appeared in the sports movie The Brighton Miracle which depicts Japan's performance at the 2015 Rugby World Cup.