artist request, character request, copyright request, 1girl, black hair, blue buruma, blush, buruma, ceiling, clenched teeth, closed eyes, clothed masturbation, crotch rub, female focus, female masturbation, frottage, gym storeroom, gym uniform, holding, indoors, loli, masturbation, masturbation through clothes, midriff, name tag, navel, pussy juice, saliva, shoes, short hair, solo, sweat, teeth, uwabaki, vaulting horse, window, wooden horse