Rei attended an alumni gathering with his elementary school classmates. Among those reunited are Rei's lover, Rina, and Hajime, who was Rei's close friend. The seven former classmates suddenly realised they were trapped in a closed room and all exits of the building have been locked.

Cast

Fumiya Takahashi

Kobayashi Rei

Jin Suzuki

Ozaki Hajime

Hiroe Igeta

Yoshimura Rina

Yuno Ohara

Honda Asuka

Jiei Wakabayashi

Wakaba Hiroto

Tsuyoshi Furukawa

Kamei Yuma

Ryubi Miyase

Nakamura Kaoru