1girl :o armlet astg black_legwear blue_skirt brown_eyes brown_hair caterpillar_(company) cowboy_shot highres long_sleeves looking_to_the_side machine machinery mecha_musume open_mouth original personification pleated_skirt puffy_long_sleeves puffy_sleeves simple_background skirt solo standing sweatdrop thighhighs twintails zettai_ryouiki