The boy who Hayate meets is revealed to be Wataru Tachibana, Nagi's fiancé. However, Nagi and Wataru can't stand each other.
Is he still angry that I didn't 
tell him that I was betrothed?
¿Todavía está enfadado porque 
no le dije que estaba comprometida?
Será que ele ainda está zangado por não
ter dito que eu tinha um noivo?