It's been ten years since my son, Masahiro, withdrew because of bullying when he was a student. I was overprotective because I thought about my son, and I grew up completely selfishly ... "It was because of you, my mother, that I did this,"
 
            
           
            
                Keywords:
                                    
                        Japan
                    
                                    
                         Maihara Sei
                    
                            
        