Chiyo

Chiyo is a demon who has been living in the human world for many years. She takes on the guise of a young girl and spends her days reading books in the library. She is a kind and gentle soul, but she is also very lonely. One day, she meets a young boy named Keita who is also a bookworm. They quickly become friends, and Chiyo begins to feel like she finally belongs somewhere. However, her happiness is short-lived when she discovers that Keita is actually a demon hunter. Chiyo is forced to flee, and she vows to return one day to save Keita from the hunters.