The Younger Sister of the Cannon-Fodder Female Lead in a Period Novel

After Sui Sui faints because of an excessively rapid heartbeat caused by premature beats, she wakes up as the younger sister of a cannon-fodder female character in a period novel. To keep her older sister, Li Shuang, from meeting the same fate as her book counterpart, Sui Sui volunteers to go to the countryside. Facing the harsh conditions there, she draws on the perseverance she developed as a wage earner, studies hard step by step, gets into college through her own efforts, and returns to the city to reunite with her family...