Our Lady of Blades

Blood Week has been banned in Rijou, but the streets still run red, and now murder is sanctioned by the courts. A mysterious duellist who calls herself Lady Consequence, a former noble whose family was killed and who was imprisoned in the House of Tears, is out to free her younger brother and take revenge on those who betrayed her family, while a larger conspiracy threatens the nation.

The second book in the Court of Shadows series.