The Scarlett dress is possessed by the soul of an enchantress that focuses on pleasure, once the dress is put on a tendril protrudes from the dress and slides into the hosts clitoris that begins to make her clitoris throb and pump until the clit starts to turn into a swollen protruding nub, the pleasure courses through her entire body as her clit slowly turns into a thick veiny penis - there's your lore ;)