Coralia - Tethys Prequels, #2

Over more than a century after the dawn of the interstellar age. A millennium before the rediscovery of Tethys.... Jack and Claury had thought that they could stay and live on Coralia forever-together. But then Jack's father was murdered and his parents were afraid for their own lives as well. Jack and Claury were separated and left to the vicissitudes of a grim fate, as mysterious forces threatened to kill them, while another apparently was determined to save their lives.
But they both survived. And one day, on a small colony called 'Herrykairn'...