The era when Samurai and Ninja existed in Japan. Rikka Isurugi was born and raised in a Ninja clan secluded from society. She soon meets Miya, a girl with a mysterious power, who is found lost in the mountains. As … Chihiro Yamamoto, Sakurako Okubo, Hideo Ishiguro, Yuki Kubota, Kanon Miyahara, Masayuki Deai, Maimi Yajima Added on Amazon Prime 2021-07-10. Youtube Trailer