Hikaru, a wife in her second year of marriage who started working as a delivery assistant at a local delivery center, was in the passenger seat of a delivery truck that day, delivering packages to businesses and individuals with a cheerful smile. Her husband's income had decreased due to the recession, so Hikaru was working hard at this delivery job to support the family. One day, while Hikaru was taking a nap in the car during a break, a sweaty male colleague couldn't help but reach out to touch Hikaru woman's bulge...!