Become the Teacher which was the dream since the days of the child, and greet four years. Were me who savored a sense of fulfilment, worth doing, the joy that became the Teacher, but my Teacher Jinsei was big, and changed after the case that there was three years ago. My education philosophy that believed the view of human nature as fundamentally good, "there was not the bad human being from a beginning even if it was the human being who did bad Koto" made a sound, and collapsed, and left.