ok this is a strange idea but hear me out. what if luffy was a girl the whole time, like not a secret but luffy is a literal girl the whole time. so through Luffy's whole adventure he is not only doubted for being small but also being a girl, then wouldn't it be more fun when luffy defeats his enemy. or as luffy goes...
During the 2-year training session with Silvers Rayleigh, Monkey D. Luffy and his mentor make a discovery that will push Luffy's training to a whole new level. The Dark King braces himself as he begins to turn the Straw Hat Captain into the world's most ridiculous powerhouse. OP/Luffy, OOC/Luffy, EarlyDFAwaken/Luffy...