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.
The only dirty thing is your mind!
¡Lo sucio es tu mente!
¡Aquí lo único sucio que hay es tu mente!
A sua cabeça que é suja!