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.
Who are you guys?
¿Quiénes son ustedes?
¡¿Pero vosotras quiénes sois?!
Quem são vocês?