Saeko knows that her beloved daughter Mai, whom she has raised alone, is being bullied and has consulted her homeroom teacher, Sugiura, but there are no signs of a solution, so Saeko has asked for the school's advice. Sugiura visits Saeko at the urging of his class teacher, but he does not understand what is happening due to all sorts of seemingly complicated reasons, and when Saeko declares that she will consult directly with the school, Sugiura becomes very angry...