Erda, a judicious woman, has been brought to existence for a reason. A purpose on being an acolyte to the Solar System Kingdom. She was befitting to be the right heir of the throne, but the Universe unfortunately confines such thing.
As the time goes by, she covertly deceives the Kingdom. She became an accomplice to a dearest friend. She agreed unto something that was never to be agreed. But the last thing she wants to do was to betray a friend.
She continued her journey thereupon, but misfortune awaits in her future. Who knew the perfect alignment of two wanderers could lead into a perfect venture.
Will she be able to attain her felonious task? What kind of misfortune lies ahead?
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.