1girl,solo,gym_uniform,school gym outfit,very_sweaty,sweat,sweaty_clothes,nipples visible through shirt,hair_up,water_bottle,holding water bottle,drinking,drinking from water bottle,exhausted,outdoors,school field,sports field,standing,upper body,looking up,head tilted back,summer,clear_sky,front facing,nipple peak,nipple see through clearly,nipples,extremely small breasts—almost like a man's—completely flat and smooth.
