TV / Summer 2025
Mattaku Saikin no Tantei to Kitara
The story
Synopsis
Mattaku Saikin no Tantei to Kitara follows Keiichirou Nagumo, a once renowned detective whose glory days are now behind him. His quiet routine is upended when Mashiro, an upbeat high school student, insists on becoming his assistant and brings modern tech and bold ideas to the office. Their mismatched partnership produces both comedic clashes and clever pro…
Characters
Meet the featured characters and Japanese voice actors tied to Mattaku Saikin no Tantei to Kitara before opening the full characters page.
Mashiro
Main | Japanese VA: Hanazawa, Kana
Kazamaki, Hana
Supporting | Japanese VA: Hirano, Aya
Nagumo, Keiichirou
Main | Japanese VA: Suwabe, Junichi
Chikubi Shishoku Ojisan
Supporting | Japanese VA: Sugita, Tomokazu
Asunaro, Yuu
Supporting | Japanese VA: Yamaguchi, Tomohiro
Cross Munage Ojisan
Supporting | Japanese VA: Sugita, Tomokazu
Staff
Meet the people behind Mattaku Saikin no Tantei to Kitara.
Kujou, Rion
Director, Storyboard (eps 1, 6, 12, ED), Episode Director (eps 1, 5-6, 12, OP, ED)
Igarashi, Masakuni
Original Creator
Ikeda, Rintarou
Script, Series Composition
Gotou, Satoshi
Producer
Higashi, Mao
Producer
Itou, Saho
Producer
Latest Episodes
Recent episodes from Mattaku Saikin no Tantei to Kitara.
Episode 12: Nagumo Dons the Haori / Producing Nagumo Detective Agency / Nagumo Detective Agency Shuts Down
Aired Sep 16, 2025
Episode 11: Mashiro and the Psychic of Love
Aired Sep 9, 2025
Episode 10: Catch the Sneak Photographer! / The Bullet Bride
Aired Sep 2, 2025
Episode 9: Take Good Care of Your Smartphone / Maki-chan and Asunaro
Aired Aug 26, 2025
Episode 8: Nagumo's Cyber Case File / The Phantom Thief's Method / A Detective Assistant's Day Off
Aired Aug 19, 2025
Episode 7: Nagumo-san's Grown-up Allure / The Lost Child and Mashiro / The Great Detective vs. Phantom Thief Riverfake
Aired Aug 12, 2025