Another new trailer and two additional voice cast members have been revealed for the upcoming second season of The Detective Is Already Dead, which will begin broadcasting in Japan on October 7, 2026. The second season was originally scheduled to air this past July, but was delayed to October 2026.
The two new cast members, whose characters are highlighted in the latest trailer, include Akari Komiyama as Mia Whitlock (left) and Nobuhiko Okamoto as Scarlet (right). Okamoto recently voiced Koga in Black Torch.
They join a main voice cast that stars:
- • Shin Nagai as Kimihiko
- • Saki Miyashita as Siesta and Noches
- • Ayana Taketatsu as Nagisa
- • Kanon Takao as Yui Saikawa
- • Saho Shirasu as Charlotte Arisaka Anderson
Manabu Kurihara is directing the anime’s second season, with Deko Akao as series composer and Yosuke Ito as character designer. ENGI is in charge of the animation production.
The first season of The Detective is Already Dead was released in 2021 and streamed on Crunchyroll in select countries and territories.
The mystery light novel series is written by Nigoju and illustrated by Umibozu. Kadokawa began publishing the series on November 25, 2019 and has released 13 volumes in Japan as of July 2025, with a 14th volume arriving on October 23, 2026. The series also received the 15th MF Bunko J Light Novel Rookie of the Year award.
The light novels have also inspired a manga adaptation by Mugiko from May 2020 to October 2023, as well as spinoff manga and light novel titles.
Yen Press licensed The Detective Is Already Dead light novels and manga for English release. It describes the first volume as:
When the story begins without its hero Kimihiko Kimizuka has always been a magnet for trouble and intrigue. For as long as he can remember, he’s been stumbling across murder scenes or receiving mysterious attache cases to transport. When he met Siesta, a brilliant detective fighting a secret war against an organization of pseudohumans, he couldn’t resist the call to become her assistant and join her on an epic journey across the world. …Until a year ago, that is. Now he’s returned to a life that is normal and tepid by comparison, knowing the adventure must be over. After all, the detective is already dead.
Sources: The Detective Is Already Dead Official X/Twitter (2) (3), Anime News Network
