1girl, long hair, red eyes, black hair, cleavage, spread legs, gym uniform, blush, looking at viewer, sitting, indoors, sweat, bangs, collarbone, arm up, white shirt, short sleeves, cameltoe, arm behind head, closed mouth, huge breasts, underwear, book stack, buruma, brown thighhighs, black thighhighs, panties, thick thighs