7.9
Ace of the Diamond
2013
Killed Again, Mr. Detective.
5.220261 season
AnimationMystery
Sakuya Otsuki is the son of a legendary detective, following in his father's footsteps with his assistant, Lilithea. However, something's different about this high-school sleuth. Wherever he goes, he always manages to get himself entangled in his cases—as a murder victim. When Sakuya is tasked to infiltrate a luxury cruise ship, he finds himself killed once again. But every time he reopens his eyes, Lilithea is there by his side, ready to help him get to the bottom of the mystery…
Directed by Takashi Naoya
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Episodes
Season 1 — 0 / 12 watched
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The Queen Irie Murder Case (1)
2026-04-03 · 25m
A boy with a famous detective father goes on an adultery investigation on a cruise.
The Queen Irie Murder Case (2)
2026-04-10 · 25m
Sakuya comes back to life and identifies his killer.
Murder at the Crimson Theater
2026-04-17 · 25m
Sakuya attends an advance screening of Yuriu's new movie.
The Kowloon Hotel Murder (1)
2026-04-24 · 25m
Sakuya hunts down a suspicious person at the Kowloon Hotel.
The Kowloon Hotel Murder (2)
2026-05-01 · 25m
The murderer is revealed, with an unexpected twist.
The Man-Eating Ferris Wheel Park (1)
2026-05-08 · 25m
Sakuya arrives at an amusement park where a mysterious Ferris wheel is the scene of a crime.
The Man-Eating Ferris Wheel Park (2)
2026-05-15 · 25m
The solution to the Ferris Wheel mass murder is revealed.
Murder on Gallery Island (1)
2026-05-22 · 25m
Sakuya and his friends are stranded on an isolated Italian island where a siren lurks.
Murder on Gallery Island (2)
2026-05-29 · 25m
Harvey is murdered, but flaws in Luciola’s account cast doubt on the truth.
The Serial Killings on Gallery Island (1)
2026-06-05 · 25m
Sakuya and her group race against the clock to investigate, due to Chardina's ultimatum.
The Serial Killings on Gallery Island (2)
2026-06-12 · 25m
Sakuya breaks into the island's hidden atelier and learns a shocking secret.
The Destruction of Gallery Island
2026-06-19 · 24m
Chardina launches missiles to destroy Gallery Island, and take Sakuya and his friends with it.
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