Poster depicting Akuma-kun (ONA)
Alternative titles
Japanese
悪魔くん
Information
Aired
2023-11-09
Episodes
12

Millennium Research Institute, a counseling office where bizarre requests come in. The head of the research institute, Ichirou Umoregi, also known as "Akuma-kun," a genius boy who only appears once in 10,000 years. However, he doesn't know his real family. So Akuma-kun, along with his partner Mephisto III, pursue the mystery of his origin while challenging mysterious cases in this mysterious detective buddy story.

(Source: Fandom)

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Voice Actors & Characters

Mephisto III main Toshio Furukawa Japanese
Ichirou Umoregi main Benoît Fort-Junca French
Mephisto III main Yuri Chesman Portuguese
Mephisto III main Stefano Onofri Italian
Ichirou Umoregi main Matteo Liofredi Italian
Mephisto III main Kyle McCarley English
Ichirou Umoregi main Yuki Kaji Japanese
Ichirou Umoregi main Michael Johnston English
Mephisto III main Laurent Morteau French
Ichirou Umoregi main Lucas Gama Portuguese
Mephisto III main Ferso Velázquez Spanish
Ichirou Umoregi main Aidan Vallejo Spanish
Ichirou Umoregi main Sunao Yoshikawa Japanese
Sanae Kazama supporting Luiza Caspary Portuguese
Strophaia supporting Benjamin Gasquet French
Strophaia supporting Vitor Mello Portuguese
Strophaia supporting Alejandra Delint Spanish
Etsuko Umoregi supporting Michiyo Yanagisawa Japanese
Etsuko Umoregi supporting Mona Marshall English
Etsuko Umoregi supporting Tarsila Amorim Portuguese
Shingo Umoregi supporting Yuko Mita Japanese
Shingo Umoregi supporting Alex Cazares English
Shingo Umoregi supporting Charlotte Hennequin French
Shingo Umoregi supporting Lorenzo Tarantelli Portuguese
Shingo Umoregi supporting Angélica Villa Spanish
Mephisto Jr. supporting Toshio Furukawa Japanese
Mio Kazama supporting Lila Lacombe French
Mio Kazama supporting Letícia Celini Portuguese
Mephisto Jr. supporting Marcelo Caodaglio Portuguese
Gremory supporting Bia Dellamonica Portuguese
Sanae Kazama supporting Charlotte Hervieux French
Sanae Kazama supporting Ryoko Shiraishi Japanese
Hina Asanagi supporting Montserrat Aguilar Spanish
Koumori Neko supporting Gabriel Martins Portuguese
Mephisto Jr. supporting Óscar Gómez Spanish
Satan supporting Yuusaku Yara Japanese
Satan supporting Didier Cherbuy French
Satan supporting Vanderlan Mendes Portuguese
Satan supporting Gerardo Vásquez Spanish
Strophaia supporting Hiro Shimono Japanese
Strophaia supporting Brandon McInnis English
Mephisto Jr. supporting Marco De Risi Italian
Koumori Neko supporting Antoine Escallon French
Etsuko Umoregi supporting Ilaria Giorgino Italian
Koumori Neko supporting Daniele De Lisi Italian
Koumori Neko supporting Keiichi Nanba Japanese
Koumori Neko supporting Frank Todaro English
Yuji Nakayama supporting Toshiharu Yajima Japanese
Yuko supporting Colleen O'Shaughnessey English
Yuji Nakayama supporting Ryan Colt Levy English
Yuko supporting Kumiko Nishihara Japanese
Mio Kazama supporting Veronica Cuscusa Italian
Yuji Nakayama supporting Giulio Brugnoni Italian
Hina Asanagi supporting Simona Chirizzi Italian
Strophaia supporting Danny Francucci Italian
Sanae Kazama supporting Alice Doviziani Italian
Shingo Umoregi supporting Flavio Dominici Italian
Satan supporting Marco Fumarola Italian
Mephisto Jr. supporting Dino Andrade English
Yuko supporting Flora Paulita Portuguese
Gremory supporting Anna Maria Laviola Italian
Yuko supporting Livia Amatucci Italian
Hina Asanagi supporting Yukiyo Fujii Japanese
Mio Kazama supporting Yumiri Hanamori Japanese
Gremory supporting Ai Fairouz Japanese
Sanae Kazama supporting Shara Kirby English
Sanae Kazama supporting Ximena de Anda Spanish
Hina Asanagi supporting Miranda Parkin English
Gremory supporting Angélica Villa Spanish
Gremory supporting Cristina Valenzuela English
Hina Asanagi supporting Agatha Paulita Portuguese

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