Maki, always busy with housework and child-rearing while her husband is away on business, finishes her part-time job just in time and is invited for a drink by her colleague, student Lin. Feeling a long-lost thrill from his sincerity, she accepts a time-limited affair. From that day forward, they repeatedly engage in intense intercourse during brief moments between work and breaks. Maki's body, always hot and wet during work hours, is fiercely desired within the limited time.
