1girl, aqua_eyes, armor, ass, back, bad_pixiv_id, bare_back, blonde_hair, blue_hair, closed_mouth, dagger, dual_wielding, elbow_gloves, enkyo_yuuichirou, from_behind, gloves, headphones, heel_blade, holding, holding_dagger, holding_knife, holding_weapon, knife, looking_at_viewer, looking_back, mechanical_spine, multicolored_hair, original, revealing_clothes, reverse_grip, science_fiction, short_hair, solo, streaked_hair, weapon