Due to her husband's declining income, the wife took on temporary work at a local delivery center, starting as a trainee assistant for package deliveries. Cheerful and bright with a lively smile, she carefully delivered parcels to individuals and businesses around the area—the trusted wife of the delivery service. However, her mature, alluring figure quickly caught the attention of her male coworkers, who never stopped leering at her with lustful gazes. One day, someone approached her saying, "You've been working hard, Fukii-san. Mind if I take a short rest inside the vehicle?" and she agreed, allowing herself a brief moment to relax on the spot.