One Piece OC Movie: EoE-The Crystallized Fortress Beyond the Portals

Before arriving at the Red Line, Ellix and the Straw-Hats dock at a new, seemingly peaceful island. But in actual fact it holds an ancient secret dating back to the Void Century, a secret that a powerful Marine Vice-Admiral is onto! Will the Straw-Hats uncover the secret and defeat these new powerful foes? And who is this girl from another universe?