After facing death, Kei and Masaru wake up in a bare room where a mysterious black sphere instructs them to go forth and battle aliens. Kazunari Ninomiya, Kenichi Matsuyama, Yuriko Yoshitaka, Kanata Hongo, Natsuna, Tomorowo Taguchi, Takayuki Yamada Added on Amazon Prime 2021-05-07. Youtube Trailer