Tanno Setsu was a Japanese feminist, labor activist, Kameido Incident survivor, and an active member of Communist and Socialist Tokyo groups in the 1920s. Tanno became a member of the Nankatsu Labor U

Ōsugi Sakae was a Japanese anarchist, writer, and social critic of the Taishō period. His thought centered on individualism, direct action, and the "expansion of the ego" as philosophical underpinning