Urban: Spend Money on Women, and the System Gives Me Cash Back

[Modern-day wish fulfillment + System + nonstop thrills, no brain required]

His girlfriend of three years dumps him, but he gets a romance System in return.

Spend money on women, and the System gives him cashback.

Then he'll just make a few hundred million.

A few years later... before he knows it, he's made it big in the old capital.

PS: New account, experienced author. Guaranteed thrills.