As master assassin Usui Yuuen looks into a series of assassinations made on the grand samurai clan, the Satsuma, he encounters Kurima Raizou, member and survivor of one of the attacks. Together, they discover the true nature of these murders is bigger than over stolen resources. As they get closer to the truth, will they come out alive to exact revenge? Source: Crunchyroll Note: The first two episodes received an early screening at a special event on December 10, 2022 at Shinjuku Piccadilly Cinema in Tokyo. The regular TV broadcast started on January 5, 2023.