A work depicting the various forms of love and lifestyles carried by women in their forties. Having endured turbulent times, this generation still shines brightly today. Rinka Koizumi once dreamed of becoming a company president as a young woman, and after achieving that position, she found herself craving only one thing. Dressed in bondage attire, she uses her executive status to seduce men. Meanwhile, Kiyomi Hataki, who married and left her job just one year after joining the company, has spent over a decade with her current husband. As she approaches forty, she begins questioning her relationship. How will her actions unfold from here?