The 3rd in command of the cult after Simon and "K", also known as the "star of wisdom," he is a very intelligent person that seems to know a lot about human psychology and always seems to be a few steps ahead of his opponents. He doesn't seem to show any emotion either and always has a smile on his face.

He is the tenth child of Kamishima Simon. He has a subconscious habit observing people and biting his nail when stressed.

He has an unbalanced habit and desires freedom the most. He is also Kujou Otoya's younger half-brother.