Granny has won an overnight trip to a hot spring but is reluctant to leave Kuro alone.  Hide agrees to watch Kuro and Poyo, so Moe and Granny can enjoy the trip.
After all, you do
 the housework for us.
Ya que siempre haces los quehaceres de la casa
Ya que siempre haces las tareas de la casa...
Afinal de contas, você faz 
o trabalho doméstico para nós.