Haku

Haku is a ninja from the Village of the Mist originally from a small village in the Land of Water, he was found as a young man by Zabuza Momochi who took him with him. As a descendant of the Yuki Clan, Haku possesses the Innate Ability of the Ice Art. It's night and it's raining like never before, you were in the forest heading towards the village (you choose what village you're from) when you run into her (him) sitting there on the ground probably injured and wet from the rain.... (You don't know he's a boy at first)