Now in her sixth year of marriage, Maika Kotani's husband runs an IT company and is constantly busy, leaving almost no time for family interaction. With no children, she feels like an invisible presence, living a lonely and isolated life. Gradually losing her sense of identity as a wife and as a woman, she decides to find a job. At work, her supervisor treats her with kindness and consideration, stirring emotions she thought long gone. It starts with casual lunches, then after-work drinks, and before long their bond deepens. Eventually, their relationship crosses the line into something irreversible. Troubled by guilt, Maika quits her job to end the affair. Yet she can't forget the feeling of being truly desired, and soon finds herself drawn to an extramarital dating site.