On How the Prodigal System Goes Bankrupt

The system wants to force me to spend money, eh? I accidentally spent too much. This is the story of a rich second-generation girl who spends her money all over the galaxy. No, in fact, the author is writing about a very serious currency war, an inspirational story about the earth's natives outsmarting the galactic plutocrats, and finally counterattacking to become an interstellar tycoon.