Black Market Emperor Silver and Gold

A man Tetsuo Kosuke Toyohara met at a racetrack offered him a job of 100000 yen per diem and although he was suspicious he was urged by the amount of money and decided to take over Whats more all he has to do is carry a huge cardboard box to the mans apartment The contents of the cardboard are 1 billion yen in cash It is said that this will be used to make a back loan In front of the apartment men line up for the money Who on earth is Ginji Hirai and what is his motive And what kind of fate will Tetsuo be involved in from now on