hidan no aria, low resolution, 16:9 aspect ratio, animated, animated gif, @ @, 2girls, ahoge, ass shaking, bare legs, black hair, blush, brown hair, buruma, female, friends, girl on top, gym uniform, hair between eyes, hair ornament, hair ribbon, legs, light brown hair, long hair, lying, midriff, multiple girls, on back, on floor, ribbon, saliva, short hair, shorts, smile, talking, tied hair, top-down bottom-up, twintails, yuri