1girl beatmania_iidx black_hairband black_skirt black_thighhighs breasts fingerless_gloves gloves goli_matsumoto green_hair hairband holding holding_knife holding_sword holding_weapon japanese_clothes knife long_hair medium_breasts non-web_source obi official_art parted_lips sash saya_(beatmania_iidx) skirt solo sword thigh-highs thighs violet_eyes weapon  beatmania beatmania_iidx bracelet breasts butterflies butterfly cleavage error green_hair highres jewelry katana kneeling kurokiri large_breasts long_hair mouth_hold saya_(beatmania_iidx) scarf skull sword thigh-highs thighhighs weapon