Toko works part-time at a convenience store. With her adult daughter now independent and her husband increasingly distant, her days have become painfully dull. Then she hears that coworker Himori—her daughter’s former adult boyfriend—was dumped because his sex drive was too intense. She casually proposes they become fuck buddies so she can relieve her frustration. Pleasure soon outweighs her guilt toward her daughter, and she spends every spare moment of each shift having an affair with him. Today, she clocks in ready for another hurried session...