The big circus act - erotic short story

The travelling circus was renowned all over Europe. The audience loved the tricks of the animals and the silly clowns, but most of all they loved the grand finale: the sensual act that made the whole audience fidget and squirm in their seats. The nude acrobats Fiona and Zakarov created a collective sexual desire that involved the whole circus tent. They dreamt of running away together to just enjoy each other's company. But one day everything changes...