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.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2024-03-22 | 52 min |
| Season 1 | Episode 2 | Episode 2 | 2024-03-22 | 44 min |
| Season 1 | Episode 3 | Episode 3 | 2024-03-22 | 48 min |
| Season 1 | Episode 4 | Episode 4 | 2024-03-22 | 45 min |
| Season 1 | Episode 5 | Episode 5 | 2024-03-22 | 48 min |
| Writing | Yukito Ayatsuji | Original Story |
| Writing | Hiroyuki Yatsu | Writer |
| Writing | Madoka Hayano | Writer |
| Writing | Kaori Fujii | Writer |
| Sound | Harumi Fuuki | Music |
| Directing | Akira Uchikata | Director |
| Production | Akihiro Kawanabe | Executive Producer |
| Production | Kazushi Nagasawa | Executive Producer |
| Production | Masataka Katsue | Producer |
| Production | Akira Uchikata | Producer |
| Production | Jun Ishio | Producer |