MTL - The Legendary Mechanic in Marvel Universe - Chapter 50 found it

While creating her character, the game’s system randomly generated a “unique” name for her.

Behind the successful man, there was often such an ex-girlfriend. She was beautiful and nice, but favored the rich and disdained the poor. She abandoned him in the most difficult period of the man’s career, left him with a huge psychological shadow so that he no longer believed in love.

In the novel, such an ex-girlfriend usually may not get a good ending, used to set off as the true mistress of the cannon fodder. Unfortunately, Ren Qiao transmigrated into the book and become the ex-girlfriend who dumped the male lead, but the male lead still went against the counterattack…..

- Description from Novelupdates

“Rebirth in the 90s: The Counterattack of the Delicate Wife” is now available, please support it, dear old and new readers.Bai Xiao was reborn in 1985, back to when she was 18 years old during the release of the college entrance examination results. Her grandmother and uncle, afraid she would break free from their control, had hidden her university admission notice. Nobody would dream of stopping her from attending university this time. In her past life, her soldier brother and married sister protected her; this life, she would protect them.Chen Shimei's trash father, stepmother, and stepsister can all step aside, I don't know you.When she resolutely jumped into the river, that person... this isn't murder, sister is reclaiming her special ability from her past life.A certain man: Whether it's suicide or murder doesn't matter, you owe me a life-saving debt. Marry me in return!

Weiss is an ordinary young man caught in the changing times who is studying magic from an unknown natural event. When he feels weak and helpless in facing a world that is constantly changing and filled with magic, he awakens his secret ability, the “Maid Order”. Special abilities that make him a “Master” who will be respected by the “Maids” who are loyal to him.