الحلقة 19: تحقق كازومي من زميلتها غير المرئية ساو آيساكا، التي تُكشف عن كونها شبحًا من أربعينيات القرن الماضي.

19

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. (Source: Wikipedia)