Kyoko, a rookie tour bus guide, was striving to become an excellent guide, carrying on the legacy of her older sister—also a guide—who had died in a tragic accident. However, the clumsy Kyoko kept making mistakes and was frequently lectured by Manager Takashimizu. Her senior colleague, Aya, had a weakness for young men; while guiding a school trip, she even gave sexual instruction to a student named Ken. When the other students found out, Aya was fired from the company. Depressed by her apparent lack of aptitude for the job, Kyoko found an unexpected ally in Harada, the bus driver, who volunteered to help her practice...