Frost bite: desna x reader

A rebellious water bender who lived to piss off authorities lived in the northern water tribe. Now you may think she is just some sort of childish adult that doesn't want to face life and you would be wrong.
An apathetic and somewhat lonely water bender that lived only to be in his sisters shadow. Now you may think he is cold and heartless because of his lack of tact but you would be wrong.
A red string of fate connects those destined to meet, in other words the unlikely pairings become almost definite and likely ones become unusual....