Senketsu is Sanji's big brother. He may be smaller than the love cook, but is stronger and faster than him. When initially meeting the Straw Hat pirates, the relationship between Sanji and Luffy takes a darker turn, all because of Senketsu's secrets and his hidden eye... {I don't own One Piece or anything under it's name. I simply intend this to be used for entertainment purposes ONLY! And if you don't know what One Piece is, I highly suggest it. It's really awesome!}