Tsubaki, a young wife with non-regular employment, was in the midst of divorce mediation with her husband and wanted to be employed as a permanent employee. The female president made Tsubaki's nipples erect and her vagina wet. One day, while Tsubaki was working overtime alone, the president came to her to express his appreciation and made a proposal. He asked her to become his secretary as a permanent employee. However, the condition was that she had to satisfy the president by engaging in lesbian sex... Although confused, Ayako gradually became addicted to lesbianism.