Kaname is worried about never seeing Mary with friends from her class.; Mastushita assumes she has lots of friends.  But what does Mary think?
We don't usually have much luck,
Usualmente no somos tan afortunados, 
así que esto será un lindo recuerdo.
Normalmente no tenemos tanta suerte, 
así que esto será un bonito recuerdo.
Normalmente não temos muita sorte,