[2][3] Her initial literary success came in 1921 when she was awarded a prize for her short story Shifun no Kao, or Painted Face.

[2][3] During the 1920s, Uno was influenced by American and European cultures, reflecting the broader fascination with Western styles among Japanese youth of the time.

Embracing a free-spirited lifestyle, Uno sought to embody the "modern girl" (moga) distancing herself from traditional roles.

She became involved in Tokyo's Bohemian circles, forming relationships with writers, poets, and painters..[citation needed] In 1933, Uno began publishing the serialized novel Confessions of Love (色ざんげ, Iro zange).

Uno married multiple times with varying levels of success, as she found it difficult to remain with only one man.