Hayami has moved from Hokkaido to Tokyo due to her husband's job transfer.She said that moving to Tokyo was quite stressful for her, who had never lived outside of Hokkaido.She doesn't have many acquaintances in Tokyo, and she doesn't go out as much as before, and her husband, whom she relied on, was busy with work every day, and she was lonely every day.One day, she met her only friend living in Tokyo, and when she told her how she was feeling now, she was recommended an affair site.When she accesses an affair site with her impetus, she is swallowed by a vortex covered with her lust.