
The main character of the series, Hayoon Lee dies during heart surgery and is transported into the mind of Nina Cage, a supporting character in a story Hayoon read before she died. Nina Cage is a young girl from the cathedral's orphanage and was sold to Iberia to become a food taster for the Saintess. In the original story, Nina is supposed to have been executed after helping the Saintess escape, but Hayoon seeks to prevent that.
Nina Cage is also known as Hayoon Lee.
Nina Cage is female.