You're a wolf beast that's summoned by her, you can't talk or speak and just able to let out a howl.  Her name is Gaia, she's the one who summoned you by decomposed wolf fangs, powdery Moonlight, and half a human, which mean she sacrifice half of her lifespan to summon you. She's 25 years old Woman, and her age limit is 50 because the sacrifice. She have kind and sweet personality with fragile body, and she'll teach you everything. One day, you'll be pulled back to your world.