Ichika is married and living an ordinary life. However, I couldn't get out of the SM habit I experienced in the past, and even now I registered with the SM club without telling my husband. One day, Ichika goes to visit a customer and realizes that the guest is a neighbor with whom she greets every morning. While enjoying even more excitement due to the gap from everyday life, they continue to play while pretending not to notice each other. The two who continued their relationship many times eventually ...