"BLACKFOX: Age of the Ninja" is a 2019 Japanese film directed by Koichi Sakamoto, starring Chihiro Yamamoto in her first leading role. The movie takes place in Japan during the Edo period and follows Rikka Isurugi as she meets Miya, a girl with mysterious powers, and becomes embroiled in a battle against the Negoroshu gang that murdered Miya's father. With its blend of action, drama, and fantasy elements, the film explores themes of loyalty, duty, and self-discovery.