Under the shadows of mountains, from the skyship city known as 'Angel,' the Reign Foundation holds control over the last country in the world. We call it Heron. Their weapons are fierce and their numbers uncountable. Now, with an ancient technology uncovered, the birth of super soldiers becomes a reality. We call these individuals Sentinels. And with their creation, the world stands no hope against their rulers. Until one of these Sentinels uncovers the truth. These lands are a dark place and war is a thousand worlds away from what it was like in the training rooms. What is the difference between good and evil in times like these? How did it all come down to this? And why did it have to be me? There is no light it seems. Not for the burried and not for the ones who put them there. To do what must be done, for the greater good. Would you kill for it? Disgrace yourself? And to protect the ones you love... How far would you go?