1girl, arm_up, ass, bent_over, black_hair, black_legwear, blue_eyes, from_behind, full_body, kneehighs, looking_back, miniskirt, open_mouth, panties, pleated_skirt, school_uniform, serafuku, short_ponytail, simple_background, skirt, skirt_tug, sleeve_cuffs, smile, solo, standing, underwear, white_background, white_panties