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.
I don't want to remember
 the thief who died
¡No quiero ni recordar a ese ladrón que
No quiero recordar nada de ese ladrón que
Não quero nem me
lembrar daquele ladrão que