The Detective Is Already Dead Season 2 Anime Reveals 3rd Promo Video, More Cast

The staff for the second television anime season based on Nigojū and Umibōzu 's The Detective Is Already Dead ( Tantei wa Mō, Shindeiru. ) light novel series revealed the anime's third promotional video, more cast members, and October 7 debut on Friday.

New cast members include Akari Komiyama as Mia Whitlock and Nobuhiko Okamoto as Scarlet, both introduced in the above video.

The anime will debut on October 7 at 10:30 p.m. on Tokyo MX , but will stream first starting at 10:00 p.m. on d Anime Store . The anime will also air on AT-X and BS NTV , and will also stream on other services.

The returning cast includes:

Manabu Kurihara returns to direct the second season at ENGI . Deko Akao is again in charge of series scripts, and Yōsuke Itō is again designing the characters.

40mP is composing the anime's music, along with composing, arranging, and writing the lyrics for the theme songs. Kōme performs the opening "Kono Shinzō ni Hanabata wo" (A Bouquet for This Heart), and Kagura Nana returns to perform the ending "Hakuchumu" (Daydreams).

The anime's second season was first announced in July 2022.

The anime's first season premiered with a one-hour special in July 2021 and aired for 12 episodes. Funimation began streaming the anime in July 2021, and also streamed an English dub. Funimation describes the story:

The series follows Kimizuka Kimihiko, a young man who is always getting into trouble, as he finds himself the assistant of Siesta, a globe-trotting detective, and the two of them solve a series of mysteries. But after years of adventuring and saving lives, Siesta mysteriously dies, though her legacy will shape the lives of Kimihiko and others as they move forward.

Nigojū published the first volume in the light novel series with illustrations by Umibōzu in November 2019 under Kadokawa 's MF Bunko J imprint. The novel won the 15th MF Bunko J newcomer award in 2019. Kadokawa published the 13th volume in July 2025. Yen Press is publishing the original novels in English.

Hoko Hinachi and Minori Chigusa launched a new spinoff novel titled Charlotte wa Tada, Jiken o Tokitai. Tantei wa Mō, Shindeiru. Code:RED in May 2024. Nigojū is credited for the original work and as a supervisor for the novel.

Mugiko launched the manga adaptation of the novels in Kadokawa 's Monthly Comic Alive magazine in May 2020, and ended it in October 2023. Kadokawa published the manga's sixth and final compiled book volume in October 2023.

Source: Press release