Though Kaoruko has completed her mountain of work, the student council room is now buried under a mountain of trash. Kaoruko was enjoying the feeling of having her manuscript done, but then a small black form scurries in front of her...
They're the archenemy of 
the food service industry.
.إنّها أعداء المطاعم الأزليّة
Das ist der Erzfeind
eines jeden Gastronomiebetriebs.
C’est l’ennemi naturel 
des restaurateurs !
È il nemico naturale dei gestori di ristoranti.
Elas são os arqui-inimigos
 da indústria de serviços alimentares.