C3836 Xiang Cai's Worry

Xiao Letian's secret letter was burned to ashes. In this world, no one knew what was written there anymore. However, there was a record of Emperor of Tongzhi having been in closed-door training for an hour and a half after receiving Head of State's secret letter!

How thick was the letter? It would take an hour and a half to finish. No one knew, no one dared to ask!

However