Kunoichi Sakuya is a two-episode 2011 adult animation (OAV) based on a game by Lune, featuring a female ninja pursuing a traitor during the Sengoku period. Released in August 2011, the second episode depicts Sakuya's mission to capture the traitor Feiying. Detailed technical information can be found on Anime News Network and The Movie Database . Kunoichi Sakuya (OAV) - Anime News Network