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...
so if anything comes up, 
you can reach me there.
إذا استجدَّ شيء، يمكنك الوصول إليّ هناك
Sollte was sein, melde dich.
Llama allá si sucede algo.
Llama allí si sucede algo.
Tu sais où me trouver.
in caso di bisogno mi trovate lì.
Se algo acontecer, entre em contato.
Сообщай, если что.