The earth sciences club girls are preparing for their cultural festival. Sakura and Ino, the geology club girls, are conducting a real boring survey on the schoolyard. Meanwhile, Mira, Ao, and Monroe, the astronomy club girls, are working hard to produce a replica of the solar system at Mira's home. Then the day of the festival finally arrives.

With Suzu's help the earth sciences club's geocafe is open for business and all the club members are wearing maid outfits.
It's more commonly known 
as the "Image of a Demon."
".إنه يعرف أكثر باسم "صورة العفريت
Bekannter unter „Abbild des Dämonen“.
También se la conoce como Oni Mikage.
También se la conoce como Oni Mikage.
On l’appelle aussi oni mikage,
« la pierre du démon ».
È anche conosciuta come "Immagine del demone".
Mas comumente conhecida
como "imagem do demônio".
Чаще его называют «Демоническим камнем».