1girl, arm_up, backlighting, breasts, brown_hair, collarbone, din_(pixiv25800872), grey_eyes, looking_to_the_side, medium_breasts, open_mouth, original, outstretched_arm, pointing, short_shorts, short_sleeves, shorts, signature, simple_background, solo, stained_clothes, summer, sweat, sweaty_clothes, tank_top, thighs, white_background