There is a System, but it appears rather late. The canon pairing comes at the very end, and even later.
Volume One: Mother and Daughter Arrive Together
Most of the trouble comes from the selfish motives of her mother and Wu Xie.
While Yun Lingxue was out with her mother, a clap of thunder accompanied their arrival in the parallel world of The Grave Robbers' Chronicles, in the year 2015.
As she surveyed her surroundings, Yun Lingxue spotted someone who looked like Black Glasses.
On someone's recommendation, the mother and daughter got jobs at a large company in Beijing.
Yun Lingxue was very pleased with her new company, until she learned that the boss was Xie Yuchen.
Before arriving in this world, she had read a fanfic portraying the dark side of the Tender Beef Five. She was afraid that she and her mother would be treated the same way as the original's protagonists.
After meeting Xie Yuchen at the company, the already anxious Yun Lingxue grew even more nervous.
Later, her mother recommended Li Cu for a blind date with her, and Yun Lingxue became even more certain that the protagonists of the original story had their eyes on them. Things went exactly as she expected: they were lured out of the company and trapped by Wu Xie at the Xie residence.
Just as Yun Lingxue was at a loss, the System appeared. Even the Ultimate was involved, and she finally learned the truth about how they had arrived in this world.
Volume Two: Lotus Pond
The moment Yun Lingxue opened her eyes, she was on the banks of Hangzhou's West Lake in March 2003.
After joining Wushan Residence, Wu Erbai became suspicious of her because Wu Xie's feelings for Yun Lingxue had come on so quickly and intensely. But a spirit medium said she was a lucky connection for Wu Xie.
Wu Erbai let things take their course. Then other people began showing up, but no matter who they were, none could keep Yun Lingxue from enjoying life.
