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The Dinner Table Detective

TV·2025–2025·1 season, 12 episodes·Fuji TV·Animation, Mystery, Comedy·23m·NEW

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Rich heiress Reiko Hosho lives a double life as a novice detective, fighting crime under Inspector Kazamatsuri—also from a wealthy family. After work, Reiko sheds her pantsuit to don a lovely dress for dinner each day. Difficult cases force her to confide in her butler Kageyama, who proceeds to savagely ridicule her inability to solve mysteries, all while brilliantly unraveling each case himself.

Highest-rated episodes all ranked

01The person who dropped it is a VTuber File 2S01E06 · 7.5After a delivery man falls to his death, Reiko and Kyoichiro investigate his connection to popular VTuber "Kuru Kuru-Chan," who is blamed for the murder by fans online. Kageyama assists in analyzing a mystery figure planting bugs, untouched food deliveries, and hints to the true culprit left at the crime scene. The victim leaves a note reading, "I've had enough of this world," but in what context?
02There is no such thing as a completely locked room File 1S01E07 · 7.5A famous painter is stabbed in his own studio, pointing to his masterpiece wall painting "Sleeping Beauty" just before dying. Suspects include his art-jacking son, his second wife, and an art magazine writer with whom he supposedly had an affair. Reiko and Kyoichiro investigate how the killer escaped a locked studio, eventually learning of the victim's connection to a certain "Appraisal Queen."
03What is it that you have lost?S01E12 · 7.5Trouble strikes the Sawamura family again when Miyuki Sawamura is kidnapped and a ransom of 50 million yen is demanded. With no other suspects, Reiko sets her sights on Hosoyama. She takes Kageyama to the ransom handover disguised as a couple. Despite the perpetrator's traps, they inch closer to the truth, and find that the case is connected to an incident that occurred three years prior.

Cast

Kana HanazawaReiko Hosho (voice)

Yuki KajiKageyama (voice)

Mamoru MiyanoKyoichiro Kazamatsuri (voice)

Episodes by season

Season0112Episodes2025Aired 6.8Season avg

S01E01Welcome to the murderous party File 1April 4, 2025 5.0Wealthy heiress Reiko Hosho leads a double life as a novice detective. One day, an incident erupts at a birthday party she attends with frie
S01E02Welcome to the murderous party File 2 / Here's a message from the dead File 1April 11, 2025 6.5Mystery butler Kageyama concocts a peculiar plan to catch the criminal lurking in a luxury hotel, after which Reiko and her friends realize
S01E03Here's a message from the dead File 2April 18, 2025 6.5While investigating the murder of a real estate tycoon, Reiko examines an erased dying message, a bloody trophy, and a cord yanked from the
S01E04Please be aware of two-timing affairs File 1April 25, 2025 7.0With Kageyama as her chauffeur, Reiko and her friends visit a crowded summer festival, where a cracked smartphone is discovered. Its owner w
S01E05Please be aware of two-timing affairs File 2 / The person who dropped it is a VTuber File 1May 2, 2025 6.5Women of differing heights are spotted at the crime scene. Kageyama suspects that elevator shoes disguised the murderer's appearance. After
S01E06Season's bestThe person who dropped it is a VTuber File 2May 9, 2025 7.5After a delivery man falls to his death, Reiko and Kyoichiro investigate his connection to popular VTuber "Kuru Kuru-Chan," who is blamed fo
S01E07There is no such thing as a completely locked room File 1May 16, 2025 7.5A famous painter is stabbed in his own studio, pointing to his masterpiece wall painting "Sleeping Beauty" just before dying. Suspects inclu
S01E08There is no such thing as a completely locked room File 2 / Please don't drown in this river File 1May 23, 2025 7.0Kageyama locates a secret passageway to solve the locked-room murder mystery. Upon encountering a deranged woman wielding a knife, Reiko is
S01E09Please don't drown in this river File 2May 30, 2025 7.0Journalist Ryota Ishiguro's body is found on the riverbank, but although the cause of his death is drowning, the body is dry. Reiko's invest
S01E10Murder lies in a beautiful roseJune 6, 2025 7.0A woman's body is found in a bed of blooming roses at the prestigious Fujikura residence. The victim is Toshio Fujikura's fiancée, and the s
S01E11The bride is behind locked doorsJune 13, 2025 6.5Reiko attends the wedding of Sawamura Yuri, who she cherishes like a younger sister. The groom is Hosoyama, a consultant for a family friend
S01E12What is it that you have lost?June 20, 2025 7.5Trouble strikes the Sawamura family again when Miyuki Sawamura is kidnapped and a ransom of 50 million yen is demanded. With no other suspec

Season 1 ranked & reviewed

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