The Regressors are Trying to Kill Me - Chapter 40

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

For Chen Cheng, thirty means interest—the interest rate.From 3,000, to 100,000, to a million, to ten million, and then to over a hundred million...An ever-increasing amount of principal, an endless stream of interest.With money generating money, compounded interest calculations made Chen Cheng exclaim:This money can't be spent! Absolutely can't be spent! For a lifetime, I can't finish spending it!

[Polyandry + Adored by All + Pregnancy Runaway + Leveling Up + Pure Male Harem]Qiao Suisui opened her eyes and found herself in an interstellar beast world where females were scarce compared to males.How scarce?Looking around, she was the only viviparously born female!Bound to the fertility system, she became the target of a scramble among the big shots—A Colonel from the Empire Military Department, who betrayed his family just to give her a status.“I swear on the honor of the Sikoses Family, I will never let anyone harm you.”A previously indolent member of the Royal Family started on the path of power struggle just to protect her.“Suisui, no matter where your heart lies, I will never let go.”An obsessed scientist, who kneeled at her feet, humbly begging for love.“Qiao Suisui, you're lying to me... you also love me, right... why won't you look at me...”The last blood of the Wolf Clan, who was a bloodthirsty killer in public, but behind closed doors, he transformed into a big dog, warming her feet with his belly.“Sister, our Wolf Clan mates for life. You touched my tail, so you have to take responsibility.”(More men joining the lineup...)System: The stronger the male gene, the higher the quality of the reward.Qiao Suisui: (Resting her chin on her hands) Let me see who I should seduce today...PS. The female protagonist appears fragile but is actually calculating and self-serving. All males are merely tools for reproduction.

[I have led a cautious life, but the system keeps trying to do me in] “Ding Dong!” “Welcome to the Smart Cultivation System!”

“You have chosen to cultivate the Bone Forging Art. The system will start cultivating for you. The system has detected that the host is missing the Bone Tempering Pill. Please wait a moment…” “Ding Dong!”

“The system successfully stole ten Bone Tempering Pills for you, and the cultivation will continue…” “Important reminder, while the system is cultivating, you will lose lose control of the body…”

After getting the Smart Cultivation System, Pei Ling began to grow stronger rapidly. He was prepared to become a deity until one day… “Ding Dong!”

“You have chosen to cultivate an unknown technique. The system has identified this as a dual cultivation method. The system will start to cultivate for you. The system has detected that the host is missing a Dao Partner. The system is looking for a Dao Partner for you…” So, Pei Ling watched as he ran to the fairy’s training room next door, drugged her, and carried her into his room…