She has been married to her husband for more than 15 years and has lived a sexless life for over three years. One day, I felt a little lonely every day just by going back and forth between home and part-time. I meet a man named Ozawa who moved next door. "I go to the preparatory school while I am a ronin (masterless servant) to become a lawyer." Chihiro liked Ozawa, who said with a serious look. And they have a relationship with each other because of one thing.