Transmigrating Into a Book During a Food Shortage: I Find a Better Life in the Garbage Dump

[One Female Lead, Multiple Male Leads + Fleeing Famine + Junkyard System + Farming + Pocket Dimension] After being poisoned to death by her own son and then forced into a ghost marriage, Ji Manliang is reborn and awakens a System. She learns that a devastating drought and military unrest will strike in three months. She races to the mountains to seize the male lead's opportunities first, gathers food and silver with her family, and heads south to survive in a world plunged into chaos.