[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.

She later complimented the school's conservatory program but noted that she "did feel some racial discrimination from the people of the town.

[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.