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?
Cleaning all the way to 
the back of the drawer.
.التنظيف حتى أعماق الدرج
Sogar in jeder Ecke der Schublade …
Estás limpiando
hasta las esquinas de los cajones.
Estás limpiando
hasta las esquinas de los cajones.
Elle pense même à nettoyer
l’intérieur des tiroirs.
Sta pulendo fino in fondo al cassetto.
Quem diria que ela limparia
até o canto da gaveta.
Решила убраться даже в ящиках...