埋木真吾是一名由恶魔养大的男孩，他和半人半魔的梅菲斯特三世合作调查超自然事件，破解各类谋杀和神秘案件。
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)
