Seika, who works as a bus guide for Lovely Smile Company, always captures the hearts of passengers with her sexy miniskirt. In reality, Seika is having an affair with Yokoshima, the bus driver, and they repeatedly engage in naughty activities in the company when no passengers are around. One day, a passenger witnesses Seika having sex with the driver. Using this as leverage, the passenger forces Seika into sex. It turns out that her husband, who was aware of the affair, had set this trap.
