Hayate is forced into a situation his only viable option is to do something illegal, unethical, and unbecoming.  After being called a Mom like figure to Nagi, Maria goes to the source on information regarding Nagi’s father.
Sister, it's you! 
It's been a while.
¡Eres tú, Hermana! 
¡Cuánto tiempo sin verte!
¡Hermana, cuánto tiempo!
Irmã! Há quanto tempo!