My Black-Bellied Boyfriend - Chapter 11

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

This is a story that follows the courtship between a stone from Hell and a god from Heaven that begins in the underworld and spans for three lifetimes in the mortal realm.

Luo Feng was reborn back in his high school years. From the start, he acquired the Return On Investment System.

[Invest in this coffee shop and you will be able to open many branches in the future. It has an ROI of 100%.]

[Invest in Bitcoins and the price will skyrocket in the future. It has an ROI of 10,000%.]

[Invest in the cute girl who is the deskmate in class and she will become your wife in the future. It has an ROI of infinity.]

Luo Feng decisively chose to invest in his future wife.

…

Many years later, during a press conference, a reporter asked, “Mr. Luo, your White River Investment Company has surpassed Morgan Stanley and Goldman Sachs, becoming the most famous investment management company. In your opinion, what is the most successful investment you have made in your life?”

Luo Feng looked at his wife fondly as he replied, “Don’t ask me. I just live off my wife.”

[Raising Babies + Sweet Romance]Su Xingwan wakes up inside an old-school CEO novel—as the “evil aunt” who starves and beats the three genius children left in her care.In the original plot, the kids’ uncle arrives, sees the abuse, and locks her away to die in a psychiatric ward.But Su just got here—and she’s read the whole book.Looking at the three bony, wide-eyed toddlers, she decides:“Plot twist—I’m fixing this.”• Eldest (Da Bao): a prodigy sold to a celebrity couple, future business titan.• Middle (Er Bao): bound to a villain system that keeps whispering, “Find Uncle—destroy the aunt!”• Youngest (Little Bao): mind-reader, destined to be the story’s adored koi heroine.Su sets out to undo every scar the original owner left.Little Bao blinks: “Why is Bad Aunt suddenly… nice?”Er Bao narrows his eyes: “Trap detected.”Da Bao clutches his siblings: “She’s brainwashing you!”When the formidable Uncle Lu Yun finally arrives, he expects a rescue mission. Instead, he finds three giggling kids curled in Su’s arms—and decides the children aren’t the only ones he wants to take home.