MYSTERY ARENA
Six contestants compete in a high-stakes live TV quiz show to solve a complex "closed-circle" murder mystery for a 10 billion yen jackpot.
| Actor | Role |
|---|---|
 Toshiaki KarasawaMomotaro Kabayama | Momotaro Kabayama |
 Mana AshidaIchiko | Ichiko |
 Toko MiuraSango | Sango |
 Nobuyuki SuzukiGamble | Gamble |
 Reina TriendlReika Monteleone | Reika Monteleone |
 So OkunoButsumetsu | Butsumetsu |
 Shohei UnoOana | Oana |
 Toru NomaguchiEdison | Edison |
 Tetsuji TamayamaLegend | Legend |
 Yuko AsanoAno-Miss | Ano-Miss |
 Ryu MoriokaNot listed | Not listed |
 Miyu YagyuNot listed | Not listed |
 Yuta TanokuraNot listed | Not listed |
 Chiaki KawamoNot listed | Not listed |
 Miori OdaNot listed | Not listed |
| RRyôhei HigashinoNot listed | Not listed |
| NNanami OkadaNot listed | Not listed |
 Shigeru SaikiNot listed | Not listed |