To escape her troubled married life, Nina throws herself into work. Going home means another cold war with her husband. She looks gloomy as she thinks, 'I really don't want to go back...' It's her colleague Kazuya who stops her. Concerned about Nina's lack of energy, he treats her to his special coffee. Just having someone care for her makes Nina happy, but then Kazuya goes and confesses to her... Nina experiences the joy of being loved as a woman by her wife and becomes addicted to the forbidden pleasure of betrayal.
