The boy who Hayate meets is revealed to be Wataru Tachibana, Nagi's fiancé. However, Nagi and Wataru can't stand each other.
Only thing ya gotta be careful of is 
that Brazil's a foreign country, right?
Pero debes tener mucho cuidado porque 
Brasil es otro país, ¿de acuerdo?
Mas você tem que tomar cuidado 
porque o Brasil é outro país.