MTL - A Simulation Game of the Heavens Starting From Marvel - Chapter 8 Which one to choose

On her wedding day, she was humiliated; her status as the legitimate wife was instantly changed into that of a concubine.

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

Sold by her own grandmother to become a shared wife to the poverty-stricken Ye brothers for twenty taels of silver, Liu Duo, unwilling to succumb to her fate, escaped in the night. She slipped and fell and died an inexplicable death.

Then She, a soul who shared her name, reincarnated into her body. Could this be heaven trying to make amends? She is going to has four husbands? Since what’s done is done, She might as well accept her new life!

Work hard, earn money, get richer, become wealthy, maybe even have some kids! Just as they are living their lives, an array of crazy characters just loves to disrupt their peace. Are they here to taunt her? Take advantage of her? Well, good luck with that! I’m not some sick cat who can’t fight back!

- Description from Novelupdates

At long last, Fu Zhi, the mysterious heiress who had developed countless technologies was given two guardians by the country! Initially, the Lu Brothers shut her out when she joined the Lu Family. However, after spending some time with her, they began to warm up to her and took turns showing their brotherly love for her by throwing money at her.