In (titled "Operation 4"), the "proper paper" refers to the Seven Shades' attempt to create high-quality banknotes to establish a formal currency system. Key Plot Points:
You can watch the original shorts on YouTube or find more details on The Eminence in Shadow Wiki . Kagejitsu! Episode 4
: The Seven Shades want to print "awesome banknotes" that reflect the power and reach of their organization. In (titled "Operation 4"), the "proper paper" refers