It was a scorching hot summer with only a few days left of summer school. By the time the hours-long supplementary lessons were over, Ms. Sasahara's blouse was transparent and beads of sweat were trickling down her chest. It was inevitable that her sweaty body, her hair sticking to her, and her busty teacher's lustrous body would arouse her. A memory of a summer. It must have been all because of the heat that their respective feelings exploded and led to forbidden intercourse. With sweat and bodily fluids entangled, the two of them instinctively sought each other over and over again.