Mizuki, a young girl from a small town in Japan, discovers that the more she injures herself, the further back in time she goes. Will her best friend Riu figure out what's happening before everything goes wrong?
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.