Series synopsis
The Decagon House Murders, also known as 十角館の殺人 is a Japanese mystery television series that premiered on Hulu on March 22, 2024. It ended on March 22, 2024. It stars Tomoya Oku, Munetaka Aoki, Akihiro Kakuta and Toru Nakamura.
The drama tells the story of a group of seven university students who travel to a deserted island where a strange decagonal mansion stands. It was the scene of a grisly mass murder six months earlier, and events soon turn ominous.
Premise
The drama tells the story of a group of seven university students who travel to a deserted island where a strange decagonal mansion stands. It was the scene of a grisly mass murder six months earlier, and events soon turn ominous.
Cast and characters
Leading cast
- Tomoya Oku as Takaaki Kawaminami
- Munetaka Aoki as Kiyoshi Shimada
- Akihiro Kakuta as Koujiro Nakamura
- Toru Nakamura as Seiji Nakamura
- Ayumu Mochizuki as "Ellery"
- Neru Nagahama as "Agatha"
- Yuki Imai as "Leroux"
- Kosuke Suzuki as "Poe"
Supporting cast
- Reia Yonekura as "Orczy"
- Rukiya as "Carr"
- Hiroto Kobayashi as Kyoichi Morisu
- Asumi Kikuchi as Chiori Nakamura
- Mari Hamada as Kuniko Matsumoto
- Tamiyo Kusakari as Masako Yoshikawa
- Yasuyuki Maekawa as Seiichi Yoshikawa
- Aoba Kawai as Kazue Nakamura
- Tetsuhiro Ikeda as Osamu Shimada
Episodes
This series spans 1 season with 5 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 5 | March 22, 2024 | March 22, 2024 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Episode 1 Konan Takaaki, a former member of K University’s Mystery Research Club, receives a mysterious letter from Nakamura Seiji. Determined to uncover the truth, he visits Seiji’s younger brother and meets Shimada Kiyoshi, who soon joins him in investigating the mystery. |
March 22, 2024 |
| 2 |
Episode 2 During a training camp at the Decagon House on Tsunoshima Island, a member of the Mystery Research Club is murdered. As suspicion spreads among the isolated group, Konan and Shimada search for clues related to the earlier Aoyashiki incident. |
March 22, 2024 |
| 3 |
Episode 3 Konan and Shimada continue their investigation but struggle to uncover any solid leads. While they question whether the mysterious letter might have been a prank, a terrifying incident unfolds at the Decagon House. |
March 22, 2024 |
Production
Release
| Original network/platform | Hulu |
|---|---|
| First aired | March 22, 2024 |
| Last aired | March 22, 2024 |
| Runtime | 50 minutes |
| Status | ended |
| Schedule | Friday |