Nami Suzuna has been married for two years. She expected a happy life after marrying a coworker, only to suffer her husband’s constant verbal abuse. At first she tried to support him through the strain of his job, but his behavior grew worse by the day until she could no longer take it and temporarily returned to her parents’ home. While meeting friends from her school days, she reunites with her first love and soon falls into an affair with him. The tenderness she has missed for so long makes her desire to cheat burn even hotter, and she can no longer resist the thrill of playing around.