A suspicious shadow is trying to break into the office.
After determining the identity of the shadow, Javelin and friends end up cleaning the office along with Mikasa-daisenpai.
And what's this behind the shelf, something highly classified?
Can't you just leave the 
cleaning to the manjuus?
لمَ لا تتركين أمر التنظيف للمانجو؟
Können wir das Putzen nicht
einfach den Manjuu überlassen?
Ma non potete lasciare le pulizie ai manjuu?
Não poderiam deixar a
limpeza pros manjuus?