Moko attends a school in Tokyo and spends a fun day with her best friend Hikaru. Her daily routine is to stop by a convenience store on the way home from school to eat sweets and chat. One day, she finds out about Hikaru's shoplifting, and out of her sense of justice, she blames Hikaru, but she says that it was all a chore, ``due to the stress of studying for her entrance exams,'' and tells her that she won't do it again. swear. However, the next day she shoplifted again.