A housewife named Reo works at a delivery health service while secretly desiring sex. On one particular day, she arrives at her usual client's home, but something feels different. To her surprise, he turns out to be her former teacher from high school who had flirted with her back then. After finishing their session without any issues, she thinks everything has gone smoothly until he suddenly compliments her appearance, revealing that he knew about her entire situation all along. From there on, he continues to call upon her every week, taking advantage of his knowledge about her weaknesses...*The contents may vary depending on the distribution method.