Saeko learns that her beloved daughter Mai, whom she raised alone, is being bullied and consults her homeroom teacher, Sugiura, but there is no sign of a solution, so Saeko consulted the school. Sugiura visited Saeko at the urging of the class teacher, but he did not understand what was going on for all sorts of seemingly complicated reasons, and when Saeko announced that she would consult directly with the school, Sugiura very angry. ..