
Kimihiko Kimizuka has found himself inadvertently entangled in various crimes more times than he can remember, referring to himself as a magnet for trouble. One day, as if it was nothing out of the ordinary, a group of unknown men kidnaps him, forcing him to board a flight—where he also encounters a hijacking. Amid the resulting chaos, however, Kimizuka meets a stunning silver-haired beauty, going by the codename Siesta, who then saves the day. Claiming to be a legendary detective, Siesta enlis...
A reluctant sidekick and a silver‑haired detective race against destiny, even after death.
Kimihiko Kimizuka has a knack for stumbling into trouble, but nothing prepares him for the day he’s snatched by shadowy operatives and thrust onto a hijacked flight. Amid the airborne chaos, a silver‑haired femme fatale named Siesta appears, brandishing a reputation as the world’s most legendary detective. She forces Kimihiko into the role of reluctant partner, promising a globe‑spanning crusade against conspiracies that threaten humanity itself. Reluctant at first, Kimihiko soon discovers that Siesta’s flamboyant methods mask a razor‑sharp mind, and together they untangle riddles that range from petty scams to apocalyptic schemes, all while their banter crackles with wit and an undercurrent of unspoken affection. Their partnership blossoms over three years of high‑octane investigations, each case more outlandish than the last, until tragedy strikes: Siesta meets an untimely death that shatters Kimihiko’s world. Determined to bury the past, he attempts to erase every trace of her, yet the people he meets and the lingering echoes of her brilliance keep pulling him back into the detective’s shadow. As new mysteries surface, Kimihiko learns that a legend never truly dies—it lives on in the clues left behind and the hearts it touched.
A mystery-comedy following a teen sidekick and his brilliant detective partner whose death drives the emotional core. Expect globe-trotting cases, light romance, and themes of loss handled with a mix of humor and sincerity.
The Detective Is Already Dead has 12 episodes.
The Detective Is Already Dead is currently finished airing.
The Detective Is Already Dead was produced by ENGI.
The Detective Is Already Dead aired Jul 4, 2021 to Sep 19, 2021.
The Detective Is Already Dead is based on a Light novel.
A mystery-comedy following a teen sidekick and his brilliant detective partner whose death drives the emotional core. Expect globe-trotting cases, light romance, and themes of loss handled with a mix of humor and sincerity.
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Kimizuka, Kimihiko
Main
CV: Nagai, Arata

Natsunagi, Nagisa
Main
CV: Taketatsu, Ayana

Siesta
Main
CV: Miyashita, Saki

Alicia
Supporting
CV: Naganawa, Maria

Arisaka Anderson, Charlotte
Supporting
CV: Shirasu, Saho

Cerberus
Supporting
CV: Nakata, Jouji

Chameleon
Supporting
CV: Koyasu, Takehito

Hel
Supporting
CV: Hanamori, Yumiri

Kase, Fuubi
Supporting
CV: Fuchigami, Mai

Koumori
Supporting
CV: Matsuoka, Yoshitsugu
Olivia
Supporting

Saikawa, Yui
Supporting
CV: Takao, Kanon

Seed
Supporting
12 episodes
2021 Fall
2020 Winter
2011 Winter
2023 Spring
2021 Winter
2022 Summer
2012 Spring
2011 Summer
2023 Winter
2020 SummerRanked higher than 59% of all anime on AniTome (out of 19,551)
More popular than 97% of all anime