EP1 - Former Great Detective Nagumo Keiichiro / Mashiro's Pest Extermination EP2 - With Ghosts, Go for the Knees / Find the Real Thief! / Three Minutes Until Mashiro Explodes EP3 - Great Detective Asunaro / The Ones Who Don't Realize They're Stalkers Are the Most Dangerous EP4 - Murder at the Mansion of Screams / Maki-chan and the Generation Gap EP5 - Welcome to the World of Grown-Ups / A Midsummer Thriller / Mashiro and the Agent from the Stars EP6 - Mashiro Hosts Girls' Night Out / Assistant Switch!! / Battle to the Death at 100° Celsius EP7 - Nagumo-san's Grown-Up Allure / The Lost Child and Mashiro / The Great Detective vs. Phantom Thief Riverfake EP8 - Nagumo's Cyber Case File / The Phantom Thief's Method / A Detective Assistant's Day Off EP9 - Take Good Care of Your Smartphone / Maki-chan and Asunaro EP10 - Catch the Sneak Photographer! / The Bullet Bride EP11 - Mashiro and the Psychic of Love EP12 - Episode 12