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A short erotic story, part 1 of 3, about a budding exhibitionist and a reluctant voyeur.
Cassandra discovers, after years of playing on the romantic urges of her best friend, that she gets off on being watched. When she first begins exploring this side of her sexuality, she calls on the friend for help. This new side to their relationship might be the end of them, but they have to ride the train all the way to the end to find out.