In the distant future, mankind has lived quietly and restlessly underground for hundreds of years, subject to earthquakes and cave-ins. Living in one such village are 2 young men: one named Simon who is shy and naïve, and the other … Takako Honda, Nobuyuki Hiyama, Mitsuki Saiga, Katsuyuki Konishi, Tetsuya Kakihara, Yukari Fukui, Marina Inoue Added on Amazon Prime 2023-02-09. Youtube Trailer