1girl, ass, ball, bike_shorts, bike_shorts_under_skirt, braid, exercise_ball, from_behind, green_eyes, green_skirt, green_theme, grey_hair, high_heels, long_hair, looking_at_viewer, looking_back, pantylines, shoes, simple_background, sitting, skirt, smile, solo, thighs, twintails, very_long_hair