Simplify the following text for a Grade 9 native English-speaking person.
Original: The astrologer explained that the beautiful young woman was in fact a kind nine-tailed fox ( kitsune ) working for an evil daimyo , who was making the Emperor ill in a devious plot to take the throne .
Simplified: The astrologer explained that the beautiful young woman was in fact an evil fox with nine tails ( kitsune ) , who was making the Emperor ill in a evil plan to take the throne .