When an Old Lady in Her Seventies Traveled to the World of Immortality

[No CP+travel+immortal cultivation+female protagonist] What made a 70-year-old woman travel through time and become an 8-year-old girl? What makes a 70-year-old woman study hard after traveling through time? And what makes the 70-year-old woman move in and out of the crowd with a knife? Is it the loss of morality or the distortion of human nature? Welcome to the 70-year-old lady Zhang Sufen's story of cultivating immortality! In her previous life, Zhang Sufen devoted her whole life to her family. Unexpectedly, she traveled to the world of immortality after her death. A person who claimed to be a systematic person explained that she was brought here by a mysterious person just to let her live out her life! Zhang Sufen is at a loss, Zhang Sufen is confused! Zhang Sufen, who knew nothing and was illiterate, could only use the spirit of hard work of the older generation, study hard in the world of immortality, go through life and death, carry a big knife in and out of the crowd, and blaze a path unique to Zhang Sufen!