The boy who Hayate meets is revealed to be Wataru Tachibana, Nagi's fiancé. However, Nagi and Wataru can't stand each other.
To think you would lose on purpose,
Has perdido a propósito para no herir el 
orgullo del violento y débil Wataru-kun.
Perder de propósito para não ferir o 
orgulho fraco, porém violento do Wataru-kun.