Kliuch Ioko - Varvara Enal'

One randomly asked question threw Sophia into the cursed World of Blue Grass, where black sorcerers rule and ghosts and monsters live. To survive she had to trust a young sorcerer Yoko, who by all means must deliver Sophia to his Master, a mysterious dark spirit. But here her companion is kidnapped and imprisoned in a ghost tower, from which there is no way out. Sophia is finally free and can return to her world, to her former life. But is it necessary for a girl who has overcome a long and dangerous path through the Raven's Jurisdiction and enchanted forests to save Yoko?