Aiko is always a cheerful person, all of her classmate love her. When someone ask her how to be happy like her, she just said " just be positive and you be fine". The night on her 15th birthday, she have a dream where she met the other side of her said " I hate you" and she jump off the bridge. The moment the other side of her jump, she would wake up while having a tear drop from her eye. Aiko is trying to find out why the other side of her hate her. While she doing that, she met a lot of struggle that made her hard to keep a smile face. Will she find out the truth? What happend to the other side of her? Will she be able to keep her charming smile? Will she survive?
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.