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...
use Kiriko-chan's brother or sister.
استخدمي أخا أو أخت كيريكو-تشان
usa il fratello o la sorella di Kiriko-chan.
use o irmão ou a irmã da Kiriko.
используй брата или сестру Кирико.