Ayún, la estrella no muerta, está a punto de arrastrar la ciudad orbital hacia su perdición. Una joven ingeniera llamada Yanara y una curtida supervisora llamada Likanrayen son lo único que se interpone entre el desastre, y un ciclo más de vida al filo de la extinción, en un universo inhóspito donde no queda rumbo al que aspirar.

This is a story about Nagate Tanikaze. He was born in 3023. Over the past century, humans have ventured out into space, far into the cosmos. And over time we always thought earth would be home...but we were wrong...and we had to leave to survive or die with our world. 15 years after earth, in a desperate hope to save both the human race and his universe nagate's last hope is the titan.