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.
Akuma Kun, Gremory and Mephisto III enter the barrier to save Shingo. But first, they'll have to confront Strophaia, an old enemy from Ichiro's past.
When Shingo — aka the first Akuma Kun — is sealed away, the father and son Mephistos set out to rescue him, while Akuma Kun takes a different approach.
While trying out the pancakes at a new neighborhood restaurant, Mephisto III and Akuma Kun remember the day they first met.
On a dark and stormy night, a ghastly looking man comes looking for Sanae. He turns out to be her husband, who's been missing for five years.
A little boy goes into the Millenarianism Research Institute saying he wants to become a demon, but Akuma Kun immediately throws him out.
After years of hard work, a long-time legislator is on the verge of becoming a Cabinet minister. But then, a threatening man pays him a visit.
After arriving in Easter Island to investigate a strange red nail, Akuma Kun and Mephisto III discover the body of a murdered young woman.
At his wit's end, a landlord breaks into the apartment of a tenant who stopped paying rent — and discovers a gruesome, seemingly impossible murder.
A famous movie director in his twilight years asks Akuma Kun and Mephisto III to find a long-lost, cursed film made by his dear friend.
Akuma Kun and Mephisto III get invited to the home of a very wealthy client, who has a disturbing request — to summon Satan for his flesh.
Hina looks after Ichika, but danger still lurks nearby. Akuma Kun further investigates the case by making another visit to the Asanagi house.
A university student asks Akuma Kun to investigate the strange deaths of two of her friends, who both died on the same exact date and time.
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 , Toshio Furukawa , Ryoko Shiraishi
Yumiko Kuga
Toei Animation , Encourage Films
as Akuma-kun / Ichiro Umoregi (voice)
as Mephisto 3 / Mephisto 2 (voice)
as Sanae Kazama (voice)
