12 episodesFirst aired 1 July 2025
E1Jul 2025
Nagumo Keiichiro was once a great child detective, but age is starting to catch up with him.
E2Jul 202524m
Mashiro's schoolmate seeks the agency's help in catching a ghost, and Nagumo is suspected of underwear theft.
E3Jul 202524m
A young detective lockpicks his way into Nagumo's office and asks to work for him.
E4Jul 202524m
Nagumo is invited to a dinner party at a stately old mansion... where a mass murder once took place.
E5Jul 202524m
Nagumo takes Mashiro to his favorite bar to give her a taste of grown-up society.
E6Aug 202524m
Mashiro spends an evening with Azuha and Maki. Later, Nagumo and Asunaro switch partners.
E7Aug 202524m
Mashiro brings back a lost little girl... and finds out there's more to her than meets the eye.
E8Aug 202524m
The gang tries to sniff out a cyber criminal who's brainwashing people through online videos.
E9Aug 202524m
Mashiro loses her smartphone, and Asunaro recounts how he and Maki became partners.
E10Sept 202524m
Nagumo receives a case of someone taking indecent photos of women at a water park.
E11Sept 202524m
A client asks Nagumo to save his wife from a psychic who seems to have brainwashed his village.
E12Sept 202524m
Can the gang make enough money to pay off Nagumo's overdue rent and save Nagumo Detective Agency?