Hayate meets Sakuya Aizawa, Nagi's childhood "friend", who, like Klaus the head butler, can't accept Hayate as Nagi's butler, but not just because he's poor and unlucky, but because he's not funny!
they will know what brand 
and what amount to give you.
sabrán qué marca y qué cantidad darte.
que eles vão saber qual marca
e a quantidade que queremos.