The high-quality student sister with tender skin and the long-legged girl with pure and coquettish coexistence.

This film is a domestic self-timer type, telling the story of a pure and coquettish long-legged teenage girl student sister who has an affair with a married woman for various reasons, showing real-life segments of self-timer for couples. The film is themed on the affair record, showing the plot of the married woman wearing a green hat, and belongs to the content of the self-timer section.