After Passing Through the Book, the Female Supporting Character Went Crazy with the Space

She had just graduated from college and died because she saved a little boy on the road. In order to not be an African porcupine in her next life, she wore a book and became a cannon fodder female supporting character. The system asked her to help the cannon fodder female supporting character live out her life. Unexpectedly, she actually fell in love with the male protagonist in the book. In this way, they took space and went crazy in that era...