High school students Rin and Shiro pair up as allies when they're chosen to compete in a secret tournament for possession of the Holy Grail. Jun'ichi Suwabe, Noriaki Sugiyama, Kana Ueda, Masaki Terasoma, Ayako Kawasumi, Atsuko Tanaka, Noriko Shitaya, Kadowaki Mai, Junichi Suwabe, Nobutoshi Kanna, Yuu Asakawa, Jouji Nakata, Miki Ito, Hiroshi Kamiya, Tomokazu Seki, Nobutoshi Canna, Mai Kadowaki, Shinichiro Miki Added on Netflix 2023-01-01. Youtube Trailer