A son who hates studying and has a series of red marks, and there is a possibility that he will drop out of school instead of graduating. For Rei, who wanted to let her graduate as a mother, she absolutely had to prevent her from dropping out. With this thought in mind, Rei heads to the school where her son attends, but the conditions imposed by the principal there are unbelievably despicable. What's more, because of this, Rei will have the worst day of her life...
