Wataru goes to ask Nagi why Isumi is dressed in another high school's uniform, and finds out that Izumi has fallen for another guy in another high school and attempts to see him.
It means you can take a break 
from your butler duties
Significa que puedes tomarte un 
descanso de tus labores como mayordomo
Isso quer dizer que você pode tirar uma
folga dos seus deveres de mordomo,