Wearing Books for Seventy, I Even Eat and Take Them

[Through the book + space + era + rebirth (original heroine)] As soon as Song Jiu woke up, he found that he had been transformed into the cannon fodder in the novel, but he was not completely cannon fodder. After all, he was still the original heroine's younger and sicker sister. Song Jiu, who had just accepted a mess of memories like twine, decisively claimed the space. He originally thought that it would be a simple pastoral labor life of bickering and fighting over the best, but he did not expect that things would develop in an increasingly complicated direction... What? ! Does her mother know witchcraft? ! What yandere imprisoned her mother? Mother, wait for me to rescue you! The plot of the original book is irreversible, but Song Jiu is just a cannon fodder who died young and was introduced in just two sentences in the original book. After truly breaking away from the plot of the original book, that is the real plot started by Song Jiu.