Her husband's workplace is struggling and he is transferred to a rural area. His wife Yume also starts job hunting to support her family. However, she finds out that her boss at her new job is her former teacher, Kunishima. Kunishima, who had a physical relationship with Yume in the past, says "I'll teach you how to do your job," and continues to give her sexual guidance even while at work... Yume is unable to resist his orders and continues to be humiliated. The days of submission remind her of the pleasure of the submissive service she received in the past, and before she knows it, she begins to crave his cock herself...