Scars - A Ninjago Soulmate AU

(Co-Written by Whiskers the Catfoosh)
{Soulmate AU~}

The night the first scar came in was jarring. Kai was in his bed, asleep, when the stench of blood woke him up. He sat up and used his arm to wipe his eyes. Bad idea. Something wet was on his arm, and some of it got into his mouth. It tasted like metal.
It tasted like blood.
Kai had just gotten his first scar from his soulmate, but who is it? As Kai struggles to find him/her, a fellow teammate, Jay, runs off from home for unknown reasons, leaving Kai to struggle even more with his surging emotions.