Luffy was bored, Zoro and the others were in the island and he has to keep the ship, Nami and Robin were in her bedrooms and Luffy remembered that in Nami's bedroom, there was that strange fruit... nami said: don't touch it, but she didn't say anything about eating it.
He entered in the bedroom, nami was sleeping and in her desk, that shiny fruit!
He ate it and began to escape but then he saw the room growing larger and he fell to the ground, when he looked up, he found out that he had shrunk!
He had to wake up Nami! He climbed to the bed and noticed that she was in underwear, he tried to move Nami but then she rolled and Luffy saw her butt coming upon him and crushing him, letting him flat in her panties, he can't move from under her butt, he was trapped in her crewmate back, one hour later, Nami woke up and she notice something strange... Luffy isn't annoying her, there is no noise, meanwhile, Luffy was stuck...down Nami...
but she began walking and he fell to the ground, Nami noticeed him and yelled: Luffy!
Did you ate that fruit?, I told you...
Well... she put a devilish smile and she said:
I always wanted a situation like this
What am I going to do with you?