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Words Fly Away, Those Written Remain (Verba volant, scriptamanent) (1x19)

Data di messa in onda: Mag 11, 2005

Kazumi starts investigating about a classmate named Sayo Aisaka, whom everybody seems to not notice she is present, not even Kazumi herself. It turns out Sayo was a student of Mahora Academy during the 1940s — and is now a ghost.