Can we fast forward to her teenage years? I don't feel comfortable with the adult inside a child body troupe
Things that will definitely happen
1. They find out she is a girl
2. Red head fall in love with her
3. Some conflict or villain with wulperus?
4. They get her sister back
5. Red head and her either continues on set sail on the ship or live out on live but since this is a pirate story i'm betring on sailing together with the crew.
It's cool he chose to be a god in another world's civilization but doesn't he have a any familial attachment to his family or friends before choosing that path?
Where are the mother's, wife, women of the children. Dunno they just died for the sake of the plot?