Musou Yami: Kuroi Sora (無双闇:黒い空) is a Japanese animated feature film written and directed by Akira Jotaro as the sequel to the anime series, Musou Yami. The story is about the return of Nobunaga Oda coming back from hell to the battlefield of Sekigahara where Ieyasu Tokugawa and Mitsunari Ishida fight to rule Japan.