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Agnes is a witch's apprentice, who accidentally ended up summoning an infernal being in a ritual, during an eclipse. The surprise was even greater when he discovered that Ditta, his new servant, is a demon capable of fulfilling any fantasies and desires to please his master. 

But what awaited Ditta was much more than a life of obedience, for Agnes will show her that it is possible to be free and find your own identity.