Prolouge: Sucked into One Piece

Imagine yourself, watching one of your favourite animes and suddenly you're there-
Well, thats what happens to this pair of 2 siblings when they find themselves in the world of
one piece.
With their age gap of 7 turning into 3 and, becoming 10 and 7.
Wanting to change their favourite characters fates, What adventures awaits them?

~Warning~! This is my First ever posted story, I don't really expect much from it since it's new.