A mother and daughter come to a school-designated store to buy a uniform in preparation for school entry. The young girl has to get her measurements taken by herself due to her parents' circumstances, and the salesman becomes aroused and secretly takes photos and plays pranks on her. The naive girl does as she is told by the man. The girl, who is not yet wearing a bra and whose breasts are just starting to grow, feels the pleasure of being a woman in a semi-forced manner.