gossa-tei, 1girl, blue background, blue skirt, blush, breasts, brown hair, cheerleader, closed eyes, embarrassed, female focus, from side, full body, hair ornament, kneehighs, long hair, medium breasts, open mouth, pee, peeing, peeing self, puddle, relief, school uniform, serafuku, shirt, shoes, short hair, skirt, sleeveless, sleeveless shirt, sneakers, socks, solo, tears, trembling, twintails, white shirt, white shoes, white socks