In Scream from the Shadows, Shigematsu engages with political philosophy while also contextualizing the movement in relation to the Japanese left and New Left as well as the anti-Vietnam War and radical student movements. She examines the controversial figure Tanaka Mitsu, ūman ribu's most influential activist, and the movement's internal dynamics. Shigematsu highlights ūman ribu's distinctive approach to the relationship of women–and women's liberation–to violence: specifically, the movement's embrace of violent women who were often at the margins of society and its recognition of women's complicity in violence against other women. Scream from the Shadows provides a powerful case study of a complex and contradictory movement with a radical vision of women's liberation. It offers a unique opportunity to reflect on the blind spots within our contemporary and dominant views of feminism across their liberal, marxist, radical, Euro-American, postcolonial, and racial boundaries.