When Saeko finds out that her beloved daughter Mai, whom she raised alone, is being bullied, she consults with her homeroom teacher Sugiura, but there is no sign of the problem being resolved, so she consults the school. Sugiura is urged by the head of the school year to visit Saeko, but she just makes excuses and the problem doesn't get resolved. When Saeko says she will consult the school directly, Sugiura becomes enraged...