Sebastian Michaelis X OC Warning: Contains strong language ~* Rewritten Version *~

a demon not willing to accept the role she was birthed with . kira is a demon, but no ordinary demon, she has a reputation down in the demon world and has a deep secret to hide from every demon. what will happen if she bumps into a certain Butler and master on her way to complete another contract? especially when that Butler is falling for her deeply while she doesn't have a clue on what love is.