Zorori has Noshishi make a fake yen bill, but the ink they use streaks with sweat. Zorori wonders how they can make better and quicker cash when Noshishi comes up with an idea. They could just print the money. They decide the break into the Mint and print all the cash they need. Using a delivery man uniform borrowed from Youkai-sensei, Zorori tricks the guard, Kumada, into celebrating his birthday while Ishishi and Noshishi start printing the money. Everything goes well until the guard catches on to what they're doing. Based on book 23.