Introduction
Characters
Staff and Cast
Story
BD-DVD
THE MOVIE
Guide to Satan
Guide to Satan
Characters
Reaper
Kin to Egyn, King of Water. Placid as a rule, but can read humans' emotions and attack.
Ukoback
Mephisto's familiar, a stove spirit who prepares Rin and Yukio's meals. Developed a close bond with Rin through cooking.