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!?
Soundproofing.
.عازل الصوت
Schallisolierung.
Insonorizando.
Insonorizando.
Étouffe le bruit.
Insonorizzazione.
Isolamento acústico.
Звукоизоляция.