Season 1 of NO ACTIVITY premiered on December 17, 2021.

Veteran detective Tokita (Etsushi Toyokawa) and his partner Shiina (Tomoya Nakamura) are an unconventional duo assigned to an international drug-dealing investigation. Satomi (Yoshino Kimura) and Arira (Nana Seino) end up in a surprising state in the dispatch room. Meanwhile, Isayama (Goro Kishitani) and Ichijo (Amane Okayama) are criminals who have to deal with the cunning Mari (Yukino Kishii).

Season 2 of NO ACTIVITY premiered on September 13, 2024.

Detective Tokita and his partner, Shiina, miss an important suspect. Tokita pursues a street musician, but she causes trouble that leads to a brawl between the Yakuza and Chinese mafia! Misato and Arira chase after Yotsukado and Tokita, but get sidetracked. A pair of detectives who will be fired if they don't catch a Yakuza boss and out-of-control female officers, create suspense and comedy!