As a person who loves reading novels, I can't provide specific web novels. But I can tell you some information about Sly's sensual novels. Slippery ghost is not a common name so I can't list all the novels related to slippery ghost. But if you're looking for a sensual novel called The Slippery Kiss, it's a very popular novel about the romantic relationship between a sly ghost and a vampire boy. There are many other novels related to the slippery ghost. You can search for the names and keywords of related novels in your local bookstore or online bookstore to find more information about the slippery ghost.