She Wears Books and Becomes a Vicious Female Supporting Character in Period Novels

[Book + Era + Abuse + Medical System + High IQ Female Protagonist] A top medical student in the 21st century has obtained a doctorate in medicine and has a bright future. However, after drinking at a party, I suddenly traveled back to the 1970s. She had been single for 25 years and suddenly had a daughter and a man who called herself her husband. What's even more outrageous is that she slipped into the book and became a cannon fodder female supporting role. But since her arrival, her behavior has changed drastically. She has broken off relations with her natal family and made peace with her husband's family. I wanted to be a single mother, but I was entangled by a man, and my child's life experience and my own life experience were both mysterious.