One Piece: The Cursed Holy Sword

The story

Luffy and the Straw Hat Pirates arrive on Asuka Island looking for the legendary Seven Star Sword, only to find that Zoro has vanished from guard duty and the Marines are suddenly on their trail. Mayumi Tanaka's Luffy pushes inland toward a village charged with keeping the cursed blade sealed, where the mystery deepens when Zoro, voiced by Kazuya Nakai, appears to be fighting on the other side. As the crew scrambles to understand his loyalty, the search leads back to Saga, a swordsman tied to Zoro's past and to the sword at the center of the island's unrest.