Overview
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.
Cast
- Kyoko Yoshine as Aya Chiyono (voice)
- Takumi Kitamura as Mamoru Suzuhara (voice)
- Haruka Michii as Saki Akutsu (voice)
- Makoto Koichi as Malet (voice)
- Megumi Han as Kaori Yamazaki (voice)
- Rie Miyazawa as Hitomi Nakayama (voice)
- Takahiro Sakurai as Masahiko Honda (voice)
- Takeo Otsuka as Hiroto Honjō (voice)
- Tatsuhisa Suzuki as Sōma Ogata (voice)
- Mitsuru Miyamoto as Yamazaki - Kaori's Father (voice)