The Abandoned Bachelorette Enjoys Her Simple Life

Catherine Panya believed that escaping from her awful family would finally allow her to build the peaceful life she always wanted. She finds an enormous manor at an unbelievably low price, only to discover that the land is cursed and constantly draws in dangerous demons. The only person capable of defeating these creatures is Grand Duke Chezare Christopher, a legendary sorcerer with unmatched power. For reasons she cannot understand, he gives Catherine a special key that allows her to summon him whenever she is in need. Could this mysterious key become the beginning of her happiness, or will it open the way to even greater dangers?