Yes, the second secret project beside creating an usalian puppet vessel to represent the kingdom through Nagan's control, was none other than the creation of the Halcyon Seed.
Through a great effort between Nagan, Droste, Juani, Charles, Kurisunetamayo, and many other nezuras under the rabbit instruction, they were able to produce a single piece of Halcyon Speed through the course of three days, with enough materials to build another apartment consumed just to add more value into this object of happiness, with the nezura priest giving an extra effort to make it much more presentable.
It was a great team effort on the Kingdom's side, and it should be celebrated once the trading deal was established.
