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.
But I'm a kindhearted 
nun, so I'll forgive you.
Pero te perdonaré porque soy 
una Hermana de corazón amable.
Pero te perdono porque soy muy buena.
Mas sou uma freira gentil,
 por isso vou te perdoar.