she does, but every feminine character look like each other in Oda's style so I wouldn't scream it with that much confidence.
It's like saying "Yamato is the half sister of Nami" just because they're looking the same lmao.
-There will be a great event (supremacy)will happen to Sanji even Zoro’s fans will be Sanji’s fans after that event
-Sanji will maintain the balance of the world
-Sanji will fusion with a mythical fiery bird* not obeying orders *by obtaining new fruit / new suit depends on the translation From oda’s draft and conversation between Oda and his editor