Luke, a young boy, lost his parents in an imperial slave hunt. In the next slave hunt, my beloved older sister will be put up for auction!! In the depths of despair, Luke obtains the "ability to generate money from his body"!! Luke who participates in the auction──Will he make a successful bid for his sister with ease!? However, this power has a "fatal flaw"……!? Money, life, anger, violence, desire, "acceleration ≒ inflation" ── The story sparks hyperinflation!!