I Secretly Develop Myself In The Demon World - Chapter 16 - : Out of Control Player

Diane's life crumbles when she discovers her husband Liam's affair with her sister Sophie. Betrayed and heartbroken, she retreats to her friend Joan's beach house, seeking solace. But as plans for revenge take shape, Diane uncovers darker secrets and hidden agendas. Pregnant and determined to protect her future, she embarks on a journey of survival, retribution, and unexpected alliances.

In a modern world where cultivators need a place to cultivate or vent their boredom, there are private businesses that set up instance dungeons with the aid of technology and cultivation magic to enable cultivators to train and commoners to experience the life of cultivation. They are called dungeon suppliers.
Xie Jin's one and only dream was to be a dungeon supplier and when his only relative passed away, the relative's inheritance gave him a plot of land and surprisingly, a 'System' Module which the relative had previously used.
With the help of the system, Xie Jin decided to pursue his dream of becoming the number one dungeon supplier.

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!