The ghost that suddenly appeared on the ship is Masaki's astral body.
After Jovia creates her body, Masaki leaves to check on her tree's grafting.
With the island's formation ongoing, 
Seina suggests that Tsukiko spends time in Kamidake's magic unit...
where the time is linked 
to the outside world.
حيث الزّمن مرتبط بالعالم الخارجيّ
onde o tempo está conectado
ao mundo exterior.