There is a woman sitting on a chair in a school uniform

$Best quality, Masterpiece, 超高分辨率, Photorealistic, The class was full of 13-year-old junior high school girls，fully body photo，Close-up of the crotch，Mushroom hairstyle，Black hair refracted by light，exquisite and beautiful face，Manifestations of urgency to urination，Busty girl，Blue collar white tights，The E-cup chest protrudes tightly（huge tit），Vacuum-loaded，（（Light blue leggings）），Cystocele，Panty shape visible，slightly thicker thighs，Legs crossed tightly，（（（The school forced all girls to hold their urine for 2400 ml for 24 hours））），Sit obediently in a chair in the classroom$