1girl, asymmetrical_wings, back_cutout, black_thighhighs, clothing_cutout, from_behind, full_body, holding, holding_polearm, holding_weapon, houjuu_nue, kikoka_(mizuumi), monochrome, polearm, short_hair, simple_background, snake_armband, solo, thighhighs, touhou, weapon, white_background, wings