Both of us work, and before we know it, we are so busy with work that we are running past each other. Risa felt that her relationship with her husband was slowly but steadily cooling down. Meanwhile, Risa and her colleague Haneda are entrusted with a large-scale project. While they are together, Haneda notices Risa's unsatisfactory marital life, and on the night she misses the last train, he presses Risa for a physical relationship.
