Hijiri was a delinquent girl when she was in junior high and high school. She fell in love for the first time with a man who was three years older than her when she was in her third year of junior high school, and they started dating. Although she was a delinquent, she never had an affair and married the man after graduating from high school. She has been blessed with a child and has lived a happy family life without any problems, but recently it has been discovered that her husband has been cheating on her... Having been betrayed, Hijiri begins to seek solace from a strange man in an attempt to escape reality.