"I like the teacher the most." At that time, the girl left such a sentence and died quietly. In the context of that great disaster and the emergence of many heroes, she was not even allowed to have the name of a hero and died because of him. This was a sin that he could never atone for in his life. He is not worthy of being a teacher. However, when the smiling girl stood in front of him ten years ago, he suddenly wanted to thank the power he had never believed in.