Yuna, unable to suppress her feelings of wanting to be with the person she liked, went against everyone's objections and married a man with children. As expected, her stepson Kazuya was not easily approachable, and she spent her days in torment. One day, Yuna caught Kazuya in the act of masturbating. It turned out he was still a virgin and knew nothing about women. Though she thought it pathetic for a man to be like this, Yuna saw this as an opportunity to become closer and took bold action.
