There she established women's schools and criticised the chauvinism displayed by Japanese settler colonists, although she herself played her own role in the expansionism of the Empire of Japan.

[3] She recalled people reacting with shock and indignation at her new bob cut, especially in her small hometown, where her appearance caused such scandal that she was forced to move to Tokyo.

The journal was critical of Marxist feminists, as well as male anarchists, even taking aim the inegalitarian tendencies of Pierre-Joseph Proudhon, Mikhail Bakunin and Peter Kropotkin.

[12] At this time, Mochizuki travelled to France, bringing back with her contributions from European anarchist-feminists and writing a biography about the French libertarian Louise Michel.

[14] Mochizuki was highly critical of Japanese settler colonists in Manchukuo, who segregated themselves from their Manchu neighbours and refused to integrate into Manchurian society.

"[14] Historian Masuzō Tanaka placed Mochizuki and her fellow feminist Taiko Hirabayashi at the centre of his analysis of Japanese women's role in the expansionism of the Empire of Japan.