Demon Hunter - Book 6 Chapter 33.6

As a boss with space plant abilities in the apocalypse, Lu Yao once traveled to the future, became the director of a nursery school that was about to close down, and became a rare animal human on the verge of extinction.
The food she made at random can cure the genetic disease of the cubs in the welfare home. She punched the cubs’ scum fathers and scum mothers, and kicked the remarried families who abandoned the cubs.
It is such a good kindergarten successor dean, who is attracted by that single cool imperial marshal!
Since then, the barrage in the live broadcast room has become:
Imperial Citizen A: Dean A, I really want to marry.
A certain big black dragon: Shut up! This is your marshal’s wife!
CP: Dean Lu Yao, who is extremely protective of short-sightedness and loves cubs, X the imperial marshal Helanjia who loves Shang Yunxi more than cubs
Brief: There are no bad cubs, only bad big ones.

- Description from novelbuddy

At the end of a Dynasty filled with Demons and rampant Martial Artists, Lin Xuankong has unfortunately transmigrated to this era, becoming a poor and sickly old man. However, with the help of the system Life Plate, his Talent and Comprehension grow stronger the longer he lives.And his much younger wife is a martial master...“That iron ball used to be Zhang Wu's knife. I squeezed it a couple of times, and it ended up like this! ” said his wife.“I hope you can teach me some Cultivation Techniques. As for the reward...” said Lin eagerly.

A Betrayal of Fate--- Anos Voldigoad, a young man of noble spirit, faces a devastating turn of events. Betrayed by his own kind and the woman he loves, he’s thrust into a world of darkness and despair. His world shattered, his parents murdered, and his beloved forced into the arms of his sworn enemy, Anos questions the cruel hand of fate. As he succumbs to his mortal wounds, a final, haunting image lingers: the smug grin of his tormentor, taunting him with promises of his lover’s destruction. In his dying breath, Anos wonders: Why has God forsaken him? Is it because of his weakness, his goodness? As the darkness claims him, a seed of vengeance is planted, a promise to rise from the ashes and exact his revenge, no matter the cost.