My Mom Is My System, and Anyone Who Objects Gets Beaten Up

Yu Guiwan and her mother were carrying out an undercover mission together. They were discovered at the final step, but fortunately managed to complete the mission. However, both she and her mother were blown to pieces.

She never expected that when she opened her eyes again, her mother had become her System, and she had somehow met the family of her maternal grandmother, someone her mother had often talked about, in this unknown ancient era.

What Yu Guiwan didn't know was that her mother had paid a great price to become a System...