Akuma Kun, a boy raised by a demon, works with his half-human partner Mephisto III as paranormal investigators to solve various murder and mysteries.
Yuki Kaji
Akuma-kun / Ichiro Umoregi (voice)
Toshio Furukawa
Mephisto 3 / Mephisto 2 (voice)
Ryoko Shiraishi
Sanae Kazama (voice)
Yumiri Hanamori
Mio Kazama (voice)
Fairouz Ai
Gremory (voice)
Yukiyo Fujii
Hina Asanagi (voice)
Michiyo Yanagisawa
Etsuko Umoregi (voice)
Yusaku Yara
Satan (voice)
Hiro Shimono
Strofire (voice)
Yuko Mita
Akuma-kun I / Shingo Umoregi (voice)
