In the town of Saima, when summer is about to begin, a group of six high school students intend to live a secret adventure by spending seven carefree days in a ruined mining facility.
Kyoko Yoshine , Takumi Kitamura , Haruka Michii , Makoto Koichi , Megumi Han , Rie Miyazawa , Takahiro Sakurai , Takeo Otsuka , Tatsuhisa Suzuki , Mitsuru Miyamoto
Ajiado
