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.
Shohei Uno ,
Tetsuji Tamayama ,
Toru Nomaguchi ,
Nobuyuki Suzuki ,
Ryu Morioka ,
Toshiaki Karasawa ,
Mana Ashida ,
Toko Miura ,
Yuko Asano ,
Shigeru Saiki ,
So Okuno ,
7 more ,
Reina Triendl ,
Miyu Yagyu ,
Chiaki Kawamo ,
Ryôhei Higashino ,
Miori Oda ,
Yuta Tanokura ,
Nanami Okada
