Fuyumi-chan has forgotten to meet up with a friend.
Meanwhile, Noa-chan is being treated like a pet by the older students. 
When asked about the item on her back, Noa-chan replies, “this is a weapon! You'll get hurt if you touch it!” 
What is this weapon?
The three of us went to the same grade school.
.ذهبنا نحن الثّلاثة إلى نفس الحضانة
Wir drei sind auf dieselbe
Grundschule gegangen.
Las tres íbamos a la misma primaria.
Las tres íbamos a la misma primaria.
On était ensemble en primaire.
Noi tre abbiamo fatto le elementari assieme.
Nós três estudamos 
juntas desde a 1ª série!