Hana, a pretty schoolgirl, often goes to help out at her father's construction company. In fact, she has another purpose for visiting the construction company. Contrary to her appearance, Hana likes older men and finds joy in following the workers with her eyes. One day, while in the construction company, Hana picks up a pair of work clothes and smells them. She then picks up an electric massager that catches her eye and indulges in masturbation. She is seen by a worker returning home...