Sachi is found in a paradox within the Strawhats and many others. Her brother, Tomme, wasnt found nor seen until the Strawhats explored Alabasta. He was with Portgas D. Ace ever since they both left. Luffy and Sachi are found trying to get both Tomme and Ace out of Impel Down before both or one gets executed. Many other adventures awaits them but it may be hard to continue.