You carefully brought your hands to the girl's pucker, and—bracing yourself for what might be on the other side—you began working to pry the orifice open. You could hear her faint murring, but it wasn't more than you had heard when observing her sunbathing, so you felt safe. What you would admit was that her pucker was a lot tougher to mess with than her ass cheeks had been... A real workout!

Though, eventually, you managed to open it juuuuust wide enough to crawl through her ass. Now what would you find on the other side?