Sponsored by the Japanese government,[1] she attended Smith College and Wellesley College,[2] and studied physical education with Senda Berenson[3][4] at the Boston Normal School of Gymnastics, founded by Mary Tileston Hemenway.

[7] On her return to Japan in 1903, Inokuchi taught physical education at Girls' High School in Tokyo,[8][9] and introduced a women's exercise costume of bloomers and middy blouses and calf-length skirts, for comfortable vigorous movement.

[10][11][12] She published a report, Taiiku no riron oyobi jissai (Theory and Practice of Physical Education) in 1906.

[13] Inokuchi also taught in the imperial household for a time, and was head of a girls' school in Taipei.

[15] The couple spent a brief time living in San Francisco, and in the 1920s she traveled to London as a tutor.