Son, “Mom” Will Back You - Chapter 18

After struggling in the apocalypse for ten years, Yao Ran died and returned to the three months before everything began. She returns with hatred and thirsts for revenge, intent on making those who owe her pay with their lives.With her grandfather's inheritance, Yao Ran sold everything and frantically hoarded weapons, medicine, food, and supplies. She sharpened her sword, stockpiled up supplies, settled scores with scoundrels and villains, and repaid them with both enmity and kindness.When disaster strikes, she begins her revenge, facing a dangerous world, and is determined to outlast her previous life.

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

Deceived into marriage, exploited for a lifetime as a nanny without pay, and finally beaten to death by her adoptive mother in front of her adoptive father's sickbed, Shen Mianmian's miserable life came to an end.When she opened her eyes again, she found herself back at fifteen. Shen Mianmian vowed to escape her past fate, punish her malicious cousin and adoptive mother, but accidentally shone too brightly in the process.The third-to-last student in school suddenly rose to the top, becoming the candidate fought over by prestigious universities, causing a sensation among all the teachers and students...While others were busy studying, Shen Mianmian was busy starting small businesses to make money...While others were preparing for the college entrance exams, Shen Mianmian purchased the two most notorious haunted houses in Beijing in one go... becoming an oddity in everyone's eyes, they mocked her that even if she had the fortune to buy them, she might not have the life to live in them.While others graduated and were busy looking for jobs, the haunted properties purchased by Shen Mianmian were requisitioned by the government, earning her a considerable amount of demolition compensation.Those who had mocked her couldn't help but slap themselves twice... inquiring everywhere where there might be haunted houses for sale.Shen Mianmian, originally needing to borrow money for tuition fees, used the demolition funds and leveraged her rebirth advantage to buy a suitable plot of land and built a rental building, transforming into a Beijing's wealthiest and most prosperous landlady...One day, Shen Mianmian, carrying a bag of keys and having just collected the rent, was dragged to the Civil Affairs Bureau.“Shen Mianmian, it's time for you to pay back what you owe me.”