Sex on Show - erotic short story

Hannah and Fabian have always been private people. But on a hot summer's morning on their balcony, they catch a glimpse of the intimate lives of their neighbours and discover voyeuristic and exhibitionist tendencies that they never knew they had. Inspired by their neighbours, they realize that they want to share their pleasure and explore the limits of their sensuality. But just how far will their new fantasy take them?-