jinjin, traditional media, 1girl, anal, anal object insertion, anus, arm support, black shoes, bottomless, brown eyes, brown hair, censored, cum, female focus, mary janes, necktie, no panties, object insertion, pen, pleated skirt, puffy sleeves, pussy, school uniform, serafuku, shirt, shoes, short twintails, simple background, skirt, socks, solo, spread legs, squatting, twintails, white shirt, white socks