The term "monster parent" refers to mothers and fathers who complain loudly to school administrators about the treatment their children receive in school. It is considered a derisive label, implying selfishness to the point of irrationality. Itsuki Takamura is a young, efficient lawyer working for the firm Wilson and Shiroyama. She's assigned to advise and represent an elementary school that has been besieged by complaints from overzealous parents who are threatening to sue. Itsuki is forced to be an arbitrator in these cases even though she's short-tempered and hates kids.