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...
I-I'm just an astral copy of the original,
،أ-أنا مجرّد نسخة نجميّة من الأصليّة
I-Ich? Ich bin doch nur
eine Astralkopie des Originals,
Soy una copia astral de la original.
Soy una copia astral de la original.
I-Io sono solo una copia astrale dell'originale,
E-Eu sou só uma cópia astral da original,