Sakura is a full-time housewife who has been devoted to her husband. Her happy marriage did not last long, and before long their relationship cooled and they became a sexless couple... One day, she was invited by a friend with the same problem to attend a mixer where she pretended to be unmarried, and there she had a fateful encounter with Hayato. She then spent a time together as if they were in pure love, hiding the fact that she was married...