An original story based on the characters of Hayamine Kaoru's mystery novel of the same name. Naito Naito, a second year high school student who has the ability to survive in any situation, teams up with Ryuo Soya, a talented boy whose father is the head of the Ryuo Group conglomerate. The two of them and others challenge "Area Z", a game created by the genius creator only known as "Kurii Eita". Can they complete their mission to save the city within 6 hours?
Kairi Jo
Sakai Taichi
Hana Toyoshima
Miyu Watanabe
Yoshihara Raichi
Yamashita Shiira
Rikimaru
Hiroto Tamura
Taishi Nakagawa
Shiori Tamai
Win Morisaki
Tsubasa Honda
Hayato Ichihara
Shishimaru Matsumoto
Matsumoto Daiki
Matsuzawa Kazuki
Yamamoto Toremi