Unluckily for Luffy, he was on the back of Robin's thong. He saw her crewmate's gigantic ass coming closer and closer, and before he could do anything, he found himself inbetween her humongous asscheeks, where the smell was undescriptible. He tried to wedge himself out of her crack, but it was impossible. As for Robin, she thought the thong was a bit bigger than usual, but finally decided it was her imagination.

Since it was a quiet and sunny day, Robin pulled the book she was reading right now, sat down on her chair (squishing Luffy on the meanwhile), and started devouring its content much like her buttocks devoured poor Luffy. To make the gum-guy's troubles even worse, Robin's butt started itching and she rubbed it all over the chair, crushing him even more. She thought again her thong was different, but didn't bother checking it, specially since it felt better than usual.

After about half an hour or so of continous reading, Robin stood up and decided to take a bath. Once in the bathroom, she turned out the faucet and watched how the water ran as she took off her thong. Luffy...