The boy who Hayate meets is revealed to be Wataru Tachibana, Nagi's fiancé. However, Nagi and Wataru can't stand each other.
Sharp instruments are dangerous, 
so let's still get that out of the way...
Las cosas afiladas son peligrosas, 
así que deshagámonos de ellas.
espadas são perigosas, então deixe-me 
resolver esse problema primeiro...