When Saeko learns that her beloved daughter Mai, who she raised single-handedly, is being bullied, she consults her homeroom teacher Sugiura, but there is no sign of a solution, so Saeko consults the school. Sugiura comes to visit Saeko at the urging of his girlfriend's class leader, but he keeps making excuses and doesn't reveal the truth, and when Saeko declares that she will consult the school directly, Sugiura becomes furious...