Series Brief
Overview
Once a legendary detective, Nagumo Keiichiro now stumbles through middle age baffled by smartphones and modern life. His quiet decline gets disrupted when Mashiro, a bold high school girl, bursts into his office demanding to become his apprentice. Though he’s rusty and set in his ways, her relentless enthusiasm drags him back into detective work. Now the gap-bridging detective duo is on the case!
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Featured Players
Cast 27
Tomokazu Sugita
as Cheerful Old Man / Nipple-Tasting Man / Cross Chest Hair Man / Man Who Likes Ropes (voice)
Junichi Suwabe
as Keiichiro Nagumo (voice)
Kana Hanazawa
as Mashiro (voice)
Kengo Kawanishi
as Taro Nezu (voice)
Show all 27 cast Hide full cast
Production Board
Crew
Executive Producer
Graphic Designer
Producer
Prop Designer
Music Producer
Sound Director
Original Music Composer
Director
Original Story
Theme Song Performance
Series Composition
Animation Director
Color Designer
Storyboard Artist
Supervising Animation Director
Sound Effects
Art Designer
Online Editor
Series Director
Signal Match
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Topic Overlay
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comedy, based on manga, anime
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based on manga, anime, seinen
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based on manga, anime, seinen
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3 shared keywords
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based on manga, anime, seinen
Keyword Cloud
Keywords
based on manga
detective agency
seinen
anime
comedy
young detective
Technical Sheet
Details
- First Aired
- July 01, 2025
- Status
- Ended
- Episode Runtime
- 24 minutes
- Origin
- JP
- TMDB Votes
- 18