Married woman Rei begins to Kokoro to college student Himori, whom she meets at her part-time job at a convenience store. After work, she confesses her dissatisfaction with her married life at a bar, and in the midst of drunkenness, they end up having sex. Rei's aggressive advances make her feel like a drug, and whenever she has a free moment, even if it's just for 30 minutes or an hour, she has sex with him at the convenience store, and he cums two or three times in a row, transforming her into a lustful woman...