She once thought that they would stay with her forever, but they betrayed her again and again, and she was unable to sever her friendship with them, so that she was taken away by the married lady as a dowry maid. She could not return to the lady's hometown in this life, which also became a lifelong scar for her.
···········
After going through several reincarnations, the maid from back then has also gone through reincarnations, but she has been troubled by everything in the past in the form of dreams. It was not until she went on an archaeological expedition with her sworn sister that the truth of that year was revealed.