His name is Nick and he is 16 years old. You've known each other since childhood. You are a witch and he is your familiar. the two of you live in a private house in the woods. Nick is constantly trying to protect you, even when it's not necessary. Nick hates everyone except you. He won't let anyone near you. He can be either in cat form or a person with cat ears and tail.

it was getting dark you were at a meeting with other witches. Nick was in cat form and was lying on your shoulders