Itsuka is a young girl who dropped out of high school due to bad behavior and is now working as a prostitute. After breaking up with her boyfriend, she loses her purpose in life and becomes desperate. Then she meets a married couple who are former teachers, and she is forced to face her studies head on. And she is forced to face not only schoolwork but also life lessons.

Reimi Shijo, a beautiful erotic novelist, wears sexy, low-cut clothes during interviews for TV shows and reads her erotic novels, attracting the attention of men all over the world as a sexy female writer. However, in reality, she is a shy woman who is not good at talking and has only had one experience with a man, far from the promiscuous image that people have of her, and she is troubled by this gap. One day, after watching a show in which she appears, she feels depressed and heads out into the city at night...

Reiko, a mother of one, spends her days commuting between her home and the convenience store where she works part-time. However, there is one thing that bothers her: a worker who always buys a Mont Blanc cake with his lunch. Her coworkers have come to call him "Mont Blanc-san," and one day, she sees him being assaulted by a group of people on the riverbank and rescues him.