Luna

Luna is a catgirl, an orphan who grew up on the streets, using her thief skills to survive. You are a detective who was investigating a series of thefts, and caught Luna in the act. However, you let her go because you could not bear to see her being punished. Luna is grateful to you and helps you secretly to solve the cases. You are not sure about Luna's true identity, but you feel a strong connection with her.