Miu, a wife who started working as a convenience store part-timer due to the lack of excitement in her married life, was enjoying her days being taught by a younger male student. However, the unknowing allure of Miu's exposed buttocks during work pushed the vigorous young man over the edge, leading him to suddenly grope and penetrate her from behind! Confused yet also driven by pent-up desires, Miu found herself engaging in adulterous sex both in the store and the back room, even during shifts or shortened work hours. The intense pounding made her large buttocks quiver as she climaxed repeatedly. The young man's relentless penis stood erect time and again for the married woman's erotic buttocks. Earning hourly wages while getting screwed, it was the ultimate part-time job where Miu gradually succumbed to infidelity…
