High school student Azusa jumps off from the rooftop of a school building, but she survives. One month later, the school is taken over by group of people wearing bizarre masks. A pregnant teacher is imprisoned, while the head director of the school and male students disappear. Azusa then finds pieces of a puzzle in an envelope given to her by classmate Shigeo. The puzzle pieces holds the key to solve the case. Azusa chases after Shigeo and she sees something which is unimaginable.

Rating: 6.8

Cast:

Baku

Ohwada

Keisuke

Tomita

Ryo

Saeki

Fumika

Baba

Hiroto

Yoshimitsu

Kaho

Shuhei

Nomura

Kazuya

Takahashi

Saori

Yagi

Kokone

Sasaki

Ryuzo

Tanaka

Baku

Ohwada

Keisuke

Tomita

Ryo

Saeki

Fumika

Baba

Hiroto

Yoshimitsu

Kaho

Shuhei

Nomura

Kazuya

Takahashi

Saori

Yagi

Kokone

Sasaki