She is very straightforward and always retains her calm and aloof personality in every situation. Even when demons don't agree to be her friend, a smile remains on Shinobu's face as she appears to enjoy punishing them. She wished that humans and demons could become friends and would sometime offer to befriend her enemies. But that belief was shattered after her older sister Kanae was killed. She always appeared to be calm and friendly, almost to an unsettling degree.