A girl raised by griffons who can't imagine life among humans. A super warrior trying to remember her past. While they don't even suspect each other's existence, they will soon realize that their destinies are intertwined…
By taking in an orphaned human baby, the griffons went against all traditions and rules. But Inis grew peacefully alongside her winged sister T’ruuk... until a certain point. Now the fragile balance has been disrupted, and the sisters, so unlike each other, are forced to seek a place they can both call home.
Leven — a soldier, a herald of the Star Empire. She knows nothing more about herself: heralds gain supernatural abilities but lose their memories of life before service. But now the war is over, and Leven sets off on a journey to discover who she really is. Strange visions flash in her mind, pointing to the land of the griffons…
Meanwhile, the Empress Ka'ehto's envoy helps in a highly risky expedition for the creator of the heralds, the alchemist Ginydd Taily. Not only the lives of the expedition members and the reputation of the empire are at stake, but the entire established world order…