Ichika, a quiet and pretty schoolgirl, is dating her classmate Suzuki. The two have yet to even kiss, so their relationship is pure. Ichika, contrary to her appearance, Ichika "likes the smell of older men" and finds joy in following the workers at Suzuki's construction company. One day, while in Suzuki's construction company, Ichika picks up Ichika abandoned work clothes, smells them, and indulges in masturbation. She is spotted by a worker returning home...