Sakihito Rengokuin

煉獄院・G・咲人

aka れんごくいん・G・さきひと

Thefirst human to attend the school. He comes from a rich family and claims himself to be a genius. He is constantly wearing a lab-coat and goggles. He has some sort of obssession over Aldred, and becomes especially attached to Kei after seeing him transform, and sharing a room with him.