Hella Schmidt, a bright and curious girl, is enrolled in the prestigious Ampruden's Boarding School for Girls. Eager to embark on a new chapter, Hella quickly befriends Ayashi Hauptlehrer, a mysterious and enigmatic girl with a penchant for adventure, and Adla Weiss a sweet girl.
As the school year progresses, Hella Ayashi and Adala stumble upon a hidden library in the depths of the school's basement. Inside, they discover an ancient book filled with tales of magical realms and mythical creatures. Intrigued, the girls become determined to uncover the truth behind the book's secrets. Guided by the book's pages, Hella Adala and Ayashi embark on extraordinary adventures. They find themselves transported to enchanted worlds, where they encounter talking animals, powerful wizards, and mythical beings. Along the way, they learn valuable lessons about bravery, friendship, and embracing their true selves. However, their quest takes a dangerous turn when they discover that an evil sorceress, Adala, seeks to obtain the book's power for her own nefarious purposes. With the fate of both the magical realms and their own world hanging in the balance, Hella and Ayashi must gather their courage and rally their newfound allies to stop Adala's dark plans. What will happen next? Read more to find out more.
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.