In order to protect the school grounds from the ever present threat of the bugs, today it's Arsnotoria's turn to be on extermination duty.
Mell, Little Alberta, Picatrix, and Abramelin all rush to her side to help her with this activity.
But then, one word from their shadow cat teacher Perdura puts the entire school into a frenzy!?
What's wrong with the air in here?
ما خطب الهواء هنا؟
Warum ist es hier so düster?
¿Qué le pasa al aire aquí dentro?
¿Qué le pasa al aire aquí dentro?
Pourquoi il fait si sombre ?
Cos'è quest'aria strana?
Mas que ar estagnado
é esse nesta sala?!
Что здесь произошло?