Monroe and Sakura retire, leaving a new earth sciences club run by Mira, Ao, and Ino. In order to build Ino's confidence as their president, they agree to hold a lecture for a children's star-viewing.
Mira and others struggle to get the uncooperative children interested in the activity. Later, Ao is absent from school the morning after she watches the Orionid meteor shower. Mira and Ino visit her out of concern, but...
08. 
Winter Diamond
‏08. ألماسة الشتاء
08.
Winterdiamant
Diamante de Invierno
Diamante de invierno
Il diamante d'inverno
08.
Diamante de inverno
Зимний бриллиант