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?
as Takaki Sho / "King"
as Saruhashi Sonoko / "Dono Ko"
as Koyama Takahiro / "Turbo"
as Tsuchiya Yuki / Hanawa Yuki
as Kobayashi Saki / "Incho"
as Shinonome Haruka
as Imakuni Kazunari
as Utsumi Kei / "Utchan"
as Sakurai Kanta / "Kantaro"
as Nakajima Emi / "Niko-chan"
as Haryu Taisuke / "Chonmage"
as Toyokawa Kengo / "Toyo"
as Takaki Kana
as Takaki Kanon
as Kaneda Daiki
as Yoshioka Ai
as Matsui Takeshi
as Igarashi Shun
as Gando Moeka
as Otani Noriyo
as Koyama Takahiro / "Turbo" [6th grade]
as Takeda Toshiki / "Hin-chan" [6th grade]
as Haryu Taisuke / "Chonmage" [6th grade]
as Endo Minori
