Confused by the Teacher

In her previous life, Fangfang's life was extremely tragic. She lost her mother when she was young, her father remarried, and she was admitted to a normal school with difficulty and became a teacher. At the age of forty, her husband who won five million dollars finally found true love. The family was broken up, and she took care of a son and a daughter. She lived a difficult life. Finally, after commanding the students to evacuate during the earthquake, she was buried under the teaching building... Fifteen years old again, she...