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After losing his mother, Rei is left all alone and taken in by the Glamis, his father's family. They are a prestigious British aristocratic family, and Rei is sent to a boarding school. However, Rei's stepbrother, Edward, who is the head of the house and the prefect, reigns over the place! Ed doted on Rei when he was a child, but for some reason, he became cold towards Rei as soon as she enrolled. He tells Rei, "When I graduate, you'll have to go back to Japan"!? (Source: Tokuma Shoten, translated)