It was supposed to be an uneventful transmigration, but things grew more and more complicated. First he ran into someone else who had transmigrated, then he encountered aliens. Even stranger, the Frozen Throne appeared in the late Ming dynasty. If having the Ming army fight the Scourge isn't enough, would putting them in mechs to fight the Qing troops be going too far? Li Xu's journey through time and worlds doesn't end there. Gradually, he uncovers one mystery after another, and realizes that things are far more complicated than he imagined.