Detectives These Days Are Crazy! — Season 1
About this season
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!
Episodes (12)
1. Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination
8.0Aired 1 July 2025
Nagumo Keiichiro was once a great child detective, but age is starting to catch up with him.
2. With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro Explodes
8.2Aired 8 July 2025 • 24 min
Mashiro's schoolmate seeks the agency's help in catching a ghost, and Nagumo is suspected of underwear theft.
3. Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most Dangerous
8.6Aired 15 July 2025 • 24 min
A young detective lockpicks his way into Nagumo's office and asks to work for him.
4. Murder at the Mansion of Screams / Maki-chan and the Generation Gap
7.3Aired 22 July 2025 • 24 min
Nagumo is invited to a dinner party at a stately old mansion... where a mass murder once took place.
5. Welcome to the World of Grown-Ups / A Midsummer Thriller / Mashiro and the Agent from the Stars
7.3Aired 29 July 2025 • 24 min
Nagumo takes Mashiro to his favorite bar to give her a taste of grown-up society.
6. Mashiro Hosts Girls' Night Out / Assistant Switch!! / Battle to the Death at 100° Celsius
7.7Aired 5 August 2025 • 24 min
Mashiro spends an evening with Azuha and Maki. Later, Nagumo and Asunaro switch partners.
7. Nagumo-san's Grown-Up Allure / The Lost Child and Mashiro / The Great Detective vs. Phantom Thief Riverfake
7.7Aired 12 August 2025 • 24 min
Mashiro brings back a lost little girl... and finds out there's more to her than meets the eye.
8. Nagumo's Cyber Case File / The Phantom Thief's Method / A Detective Assistant's Day Off
7.3Aired 19 August 2025 • 24 min
The gang tries to sniff out a cyber criminal who's brainwashing people through online videos.
9. Take Good Care of Your Smartphone / Maki-chan and Asunaro
7.7Aired 26 August 2025 • 24 min
Mashiro loses her smartphone, and Asunaro recounts how he and Maki became partners.
10. Catch the Sneak Photographer! / The Bullet Bride
7.3Aired 2 September 2025 • 24 min
Nagumo receives a case of someone taking indecent photos of women at a water park.
11. Mashiro and the Psychic of Love
7.0Aired 9 September 2025 • 24 min
A client asks Nagumo to save his wife from a psychic who seems to have brainwashed his village.
12. Nagumo Dons the Haori / Producing Nagumo Detective Agency / Nagumo Detective Agency Shuts Down
7.3Aired 16 September 2025 • 24 min
Can the gang make enough money to pay off Nagumo's overdue rent and save Nagumo Detective Agency?