Want to become a knight but destined to go into business?! Oz, a young entrepreneur, strikes a deal with Mercury, the amnesiac Goddess of Commerce, and gains the power of 100% mandatory trading, or the [Scales of the Commerce God]. In exchange, he has to help the fallen goddess return to her former godhood. Using this newfound ability, he's able to use money as his blade in order to cut down his enemies. What secrets will be found lurking in darkness? How will fate unfold for this businessman? Vowing to protect all of his allies, Oz embarks on an adventure with his capitalistic harem!