a1 (initial-g), kataoka yuuki, saki (manga), highres, non-web source, 1girl, ass, back, blue eyes, blush, clothes lift, embarrassed, fang, female focus, flat ass, from behind, hair bobbles, hair ornament, looking back, no panties, orange hair, pleated skirt, school uniform, serafuku, short hair, short twintails, simple background, skirt, skirt lift, solo, standing, sweatdrop, thighhighs, twintails, two side up, white thighhighs, wind, wind lift