[Cover]

Mattaku Saikin no Tantei to Kitara

Description

Nagumo Keeichirou was a genius high-school detective. No case was complex enough for him. But what happens to genius detectives when they get older?

Now 35, with bad hips, running a failing detective agency with no cases to solve and struggling to pay the rent, he's at a dead end.

In comes a high school girl in his office who says she wants to work with him. With her help, will the out-of-touch, old-fashioned Nagumo get back the fire of his youth?

39 Chapter(s)
Chapter 35: Mashiro vs. Tasting
Apr-01-2026
Chapter 34: The Phantom Thief's Method 2
Mar-11-2026
Chapter 33: Mashiro's Locked-Room Trash Case File (End)
Feb-27-2026
Chapter 32: Mashiro's Locked-Room Trash Case File (Start)
Feb-22-2026
Chapter 31: Today's Mashiro is 5-7-5 (MTL)
Feb-04-2026
Chapter 30.5: Vol. 5 Extras (MTL)
Jan-27-2026
Chapter 30: Mashiro's War Inside Her Head
Jan-19-2026
Chapter 29: Mashiro's Stealth Mission (MTL)
Jan-17-2026
Chapter 28: A Detective Assistant's Day Off (MTL)
Jan-13-2026
Chapter 27: Detective Nagumo's Cyber Case File (End) (MTL)
Jan-12-2026
Chapter 26: Detective Nagumo's Cyber Case File (Start)
Jan-11-2026
Chapter 25: The solid situation during Mid Summer
Mar-26-2025
Chapter 24: Chase The Mystery of Flying Grim Reaper!!
Aug-13-2023
Chapter 23: Where did Mashiro's pudding disappear?
Aug-11-2023
Chapter 22.5: Vol. 4 Extras
Apr-18-2022
Chapter 22: Mashiro 3 Minutes Before Explosion
Sep-22-2021
Chapter 21: Maki-Chan and Asunaro
Jul-10-2021
Chapter 20: Nagumo's Mature Charm
Jul-08-2021
Chapter 19
Oct-15-2020
Chapter 18: Great Detective vs. Phantom Thief River Fake
May-22-2020
Chapter 17: Lost Child and Mashiro
Mar-13-2020
Chapter 16: Mashiro Holds a Girls Talk
Mar-05-2020
Chapter 15
Mar-05-2019
Chapter 14: Mashiro and the Star Agent
Nov-12-2018
Chapter 13: Nagumo Becomes a Parent
Jul-09-2018
Chapter 12: Search For The Real Culprit!!
May-14-2018
Chapter 11.5: Volume 2 Extras + Omake
Apr-16-2018
Chapter 11: Mashiro and the Missing One Hundred Million Yen
Jan-15-2019
Chapter 10: Welcome to the World of Adults
Mar-18-2018
Chapter 9: Screamer Mansion Murder Case Part 002
May-28-2019
Chapter 8: Screamer Mansion Murder Case
May-28-2019
Chapter 7: Aim for the Knees of Ghosts
May-28-2019
Chapter 6: People Who Aren't Aware They're Stalking Are the Worst
May-28-2019
Chapter 5.5: Volume 1 Extras + Omake
May-28-2019
Chapter 5: Great Detective Asunaro
May-28-2019
Chapter 4: Formerly Fashionable Nagumo
May-28-2019
Chapter 3: Mashiro's Vermin Extermination Case
May-28-2019
Chapter 2: Ex-Great Detective's Assistant, Mashiro
May-28-2019
Chapter 1: Ex-Great Detective Nagumo Keiichirou
May-28-2019
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