Suterareta Yuusha no Eiyuutan - Story 4-11: 『Broken Heart』

Qin Chuan arrived in a parallel world and got bound to a system.

Su Leyun, the legitimate daughter of the Hou family, was replaced by a peasant woman during a plague when she was still in her infancy.

After experiencing hardships in life for more than ten years, she finally returned to her parents, but she was plotted and framed at every turn. She was even looked down upon and treated coldly because she grew up in the countryside.

She originally thought that her sincerity would impress her husband and win him the gift of betrothal, but she didn’t know that he only married her for the sake of pretending to be a match.

After resurrecting her life, she vowed to make those who bullied her pay the price. She knew what it meant to be respected as a legitimate daughter!

- Description from novelbuddy

Qiao Qingyu found herself transported into a period novel, becoming He Xiu Yu's dreadful ex-wife.She's the worst of them all—lazy, dumb, and wicked.She serves as a foil whose sole purpose is to advance the plot, a tool for slapstick comedy, and a contrast to highlight the intelligence and kindness of the female lead.Everyone is eagerly waiting for her to exit the stage.Faced with dangers ahead and behind, Qiao Qingyu isn't bothered at all. After all, she possesses a seed laboratory.The joy of having a golden finger is beyond your wildest imaginings!

As the grandmaster who founded demonic cultivation, Wei WuXian roamed the world in his wanton ways, hated by millions for the chaos he created. In the end, he was backstabbed by his dearest shidi and killed by powerful clans that combined to overpower him.

He incarnates into the body of a lunatic who was abandoned by his clan and is later, unwillingly, taken away by a famous cultivator among the sects—Lan WangJi, his archenemy.

This marks the start of a thrilling yet hilarious journey of attacking monsters, solving mysteries, and raising children. From the mutual flirtation along the way, Wei WuXian slowly realizes that Lan WangJi, a seemingly haughty and indifferent poker-face, holds more feelings for Wei WuXian than he is letting on…

- Description from Novelupdates