City Life: Spending Money to Unlock Black Technology

An invincible tycoon transmigrates to a parallel world. He has no rich parents, but he does have an overbearing CEO older sister and two adorable younger sisters! Best of all, he gets a System that lets him win prizes by spending money...

So all Ye Ran has to do is spend more!

Spend one million and get a Bronze draw.

Spend ten million and get a Silver draw.

Spend one hundred million and get a Gold draw.

Spend ten billion and even get a Diamond draw.

Spend one hundred billion and he can make a King's draw.

As he keeps spending, he discovers that he has become invincible.

I'm no good at writing an intro. Just come in and read it. It'll be a blast!

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Please do not imitate.