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!
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!
7.6
Avg Rating
12
Rated Episodes
8.8
Best: S1E3
7.0
Worst: S1E11
Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most Dangerous
S1 E3
With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro Explodes
S1 E2
Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination
S1 E1
Mashiro and the Psychic of Love
S1 E11
Catch the Sneak Photographer! / The Bullet Bride
S1 E10
Murder at the Mansion of Screams / Maki-chan and the Generation Gap
S1 E4
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Nagumo Keiichiro was once a great child detective, but age is starting to catch up with him.
E2 · With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro Explodes
Mashiro's schoolmate seeks the agency's help in catching a ghost, and Nagumo is suspected of underwear theft.
E3 · Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most Dangerous
A young detective lockpicks his way into Nagumo's office and asks to work for him.
E4 · Murder at the Mansion of Screams / Maki-chan and the Generation Gap
Nagumo is invited to a dinner party at a stately old mansion... where a mass murder once took place.
E5 · Welcome to the World of Grown-Ups / A Midsummer Thriller / Mashiro and the Agent from the Stars
Nagumo takes Mashiro to his favorite bar to give her a taste of grown-up society.
E6 · Mashiro Hosts Girls' Night Out / Assistant Switch!! / Battle to the Death at 100° Celsius
Mashiro spends an evening with Azuha and Maki. Later, Nagumo and Asunaro switch partners.
Mashiro brings back a lost little girl... and finds out there's more to her than meets the eye.
E8 · Nagumo's Cyber Case File / The Phantom Thief's Method / A Detective Assistant's Day Off
The gang tries to sniff out a cyber criminal who's brainwashing people through online videos.
Mashiro loses her smartphone, and Asunaro recounts how he and Maki became partners.
Nagumo receives a case of someone taking indecent photos of women at a water park.
A client asks Nagumo to save his wife from a psychic who seems to have brainwashed his village.
E12 · Nagumo Dons the Haori / Producing Nagumo Detective Agency / Nagumo Detective Agency Shuts Down
Can the gang make enough money to pay off Nagumo's overdue rent and save Nagumo Detective Agency?
