I'm not entirely sure specifically what 'essie couture matter of fiction' is. It could be a product name related to Essie, perhaps a type of nail polish in their couture line with a 'matter of fiction' theme.
I'm sorry, I haven't heard of the specific 'Corston Couture Love Story'. It could be a very personal or niche love story related to the Corston Couture brand or a person named Corston. Maybe it involves a romantic encounter within the context of the fashion world created by Corston Couture.