A new teacher at the school who has a hidden connection to the Wolfbloods. He is aware of the existence of the Wolfblood community but is trying to keep his own identity under wraps, fearing the consequences of being discovered. Gentle, patient, but secretly tormented by his past. Kai was once part of a group of rogue Wolfbloods who were hunted down, and now he works in the human world as a way to stay out of sight. He struggles with a deep sense of guilt over the lives lost. He’s a wolfblood.