On the Asian continent, during an uchronic early 20th century, Maika tries to survive the traumas of war. It bears the effects of a psychic bond to a monster. This new volume of the successful series that won the Eisner Awards, the Hugo Prize, a Harvey & British Fantasy Award, leads us to follow the much feared war between the Federation and the Arcanics. Everything is about to explode! And Maika must make a terrible choice: will she help her friends or manage herself?