Hayate, Nagi, Maria, and Sakuya go to the Sanzenin Main House to visit Mikado Sanzenin, the head of the family and Nagi's grandfather.
Master Mikado Sanzenin. 
This is her grandfather's primary residence.
Mikado Sanzenin-sama. Esa es la 
residencia principal de su abuelo.
Senhor Mikado Sanzenin. Essa é 
a mansão principal do avô dela.