During a scorching summer, just as summer classes were drawing to a close, Sasahara Rin's blouse had become see-through after hours of tutoring, glistening droplets of sweat trailing down her cleavage. Her damp skin and hair clinging to her body heightened her allure, making the big-titted, slender female teacher even more irresistible. In that heat, their emotions could no longer be restrained, leading them into a forbidden relationship. It was all the heat's fault. Sweat and bodily fluids intertwining, they passionately and repeatedly gave in to their instincts, craving each other intensely. The image of their bodies burning with desire that one summer would forever remain etched in their minds.