I have been broken from the beginning. It is the reason why those in the hospital can never cure me. I run away from the medical facility, and turn to a woman, whose name I do not remember. Then, the two of us start an escape journey. In the first place, what am I?I wonder who I am. In the chaos, I cannot even recall my name, but the deadly beautiful view of the sky emerges in my mind. Since I know it will disappear sometime in the future, I want to touch it a little bit before it is too late. I want to reach for it, and seize it with my hand. "Cradle the Sky, " the 5th (final) novel of the series, leads to already available "The Sky Crawlers, " chronologically the last story in the timeline.