Most of us have sexual fantasies. They are normally harmless, but what if the status quo wasn't enough? What if your proclivity for climaxing tipped over the edge and into the extreme?Would you fancy shagging a mermaid, or an otherworldly creature from another dimension or planet? Would you seek sexual revenge if some thing raped you? Maybe you'd let a ghost have its way with you, if the mood struck? Perhaps your penchant for asphyxiation would bleed...