Metropolis: I Dug up 100 Billion in My Backyard

Jiang Bei dug out a mining system from his backyard. As long as you mine, you can get huge rewards! I successfully unearthed 100 rubies worth 30 million. Do you want to exchange them? I successfully unearthed 100 kilograms of large diamonds worth 100 million. Do you want to exchange them? I successfully mined a vein of gold, worth 10 billion. Do you want to redeem it? Activate the system mall and purchase an automatic mining machine? The purchase is successful and automatic mining begins! Your balance increases by 1 million... Your balance increases by 10 million... Your balance increases by 100 billion... Business boss: "Let's set a small goal and make 100 million first!" Jiangbei: "Not interested, next one." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.