A human girl summoned to the demon world at a young age, with how young she was and how long ago it is by the start of the series she doesn't remember her past life. She's very sheltered by her adopted demon parents, not knowing of anything. She doesn't even know she's a human or what they are. She wears a horned headband both for safety reasons and because she wants to be a real demon. 

She's grown tired of her sheltered life leading to her leaving her home at the start of the series