A sinister game begins when a group of classmates reunites at their high school reunion, only to uncover a time capsule containing a defaced graduation album—and soon, their peers start dying mysteriously. As two former classmates race to unravel the truth behind the deaths, their own hidden secrets threaten to expose a web of lies, turning every classmate into a suspect in a nonstop suspense-driven mystery: who is the true culprit?
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Shotaro Mamiya
Takaki Sho / "King"
Yuko Araki
Saruhashi Sonoko / "Dono Ko"
Shintaro Morimoto
Koyama Takahiro / "Turbo"
Ayame Goriki
Tsuchiya Yuki / Hanawa Yuki
Sawako Fujima
Kobayashi Saki / "Incho"
Mai Fukagawa
Shinonome Haruka
Junki Tozuka
Imakuni Kazunari
Subaru Kimura
Utsumi Kei / "Utchan"
Asuka Kudo
Sakurai Kanta / "Kantaro"
Rena Matsui
Nakajima Emi / "Niko-chan"
All 4 episodes plotted by IMDb rating
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10 episodes • 2025Avg: 6.8Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Episode 1 | Oct 11, 2025 | 7.0 |
| 2 | Episode 2 | Oct 18, 2025 | 7.0 |
| 3 | Episode 3 | Oct 25, 2025 | 6.0 |
| 4 | Episode 4 | Nov 1, 2025 | 7.0 |
| 5 | Episode 5 | Nov 8, 2025 | 0.0 |
| 6 | Episode 6 | Nov 15, 2025 | 0.0 |
| 7 | Episode 7 | Nov 22, 2025 | 0.0 |
| 8 | Episode 8 | Dec 6, 2025 | 0.0 |
| 9 | Episode 9 | Dec 13, 2025 | 0.0 |
| 10 | Episode 10 | Dec 20, 2025 | 0.0 |
