With her husband away on a business trip, Reiko's days are filled with the tedium of housework, childcare, and a part-time job. Recently, she's become close with Azuma, a student whose part-time job overlaps with hers... Taking advantage of her husband's absence, she accepts a time-limited affair. Since then, the two have been engaging in intense infidelity, wherever they go, in between work. Indulging in intense pleasure in the limited time they have, Reiko's body becomes violently aroused. Before she knows it, she's feeling a constant throbbing, constantly hot and wet, craving the young man's cock...