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.
夏帆
as Azusa Nakamura
野村周平
as Shigeo Yuasa
高橋和也
as Mitome
八木さおり
as Yuasa's Mother
佐々木心音
as Yasuda
田中隆三
as Takai
大和田獏
as
冨田佳輔
as
佐伯亮
as
馬場ふみか
as
吉満寛人
as
