Due to signing a fraudulent contract, White Wing Zero, who was in debt of 100,000 gold coins, had to go to the different world of Maggia to repay the debt. Here he met all kinds of characters, including the carefree eldest lady Komitia, who claimed to be a detective. White Wing Zero, who was forcibly appointed as his assistant, and Detective Komitia, what stories will be waiting for them in this world of swords and magic?