Seven Days War

Six high school students slip into a ruined mining facility outside the town of Saima as summer is about to begin, planning to spend seven days there on their own. Among them are Mamoru Suzuhara (Takumi Kitamura) and Aya Chiyono (Kyoko Yoshine), and Yuta Murano sends the group in with nothing but a secret and a week to fill. Mamoru and Aya sit at the center of the group, and what passes between them matters more than anything they find.