Shinobu displays a bright, friendly and cheerful demeanor, always having an easygoing smile on her face, However, her outward behavior is shown very quickly to be a facade. She also likes teasing others, to the point of being rather sadistic about it. It is later revealed that her outwardly calm and tranquil disposition is worn as a mask, as Shinobu holds an intense hatred for demons due to the loss of her sister, Kanae Kocho, at a young age, along with her parents at a young age.