Mina married a man with kids. Her husband cooperated with her efforts to get pregnant, but she was unsatisfied with their bland, obligatory sex. Soon after, her husband went on a long-term business trip alone, and Mina started living with her stepson Yuichi for half a year. At first, she thought of him like a much younger brother, but Minami gradually started to feel uncomfortable with his excessive physical contact. Then, unable to resist his straightforward desires, her body, filled with pent-up sexual frustration, succumbed to the long-awaited pleasure...
