Ōkami Nisshoku: Ichiwa Ouchou (lit. Ōkami Eclipse: First Dynasty) is the prequel to Ōkami Nisshoku and stars Tsukiyo, the dark counterpart of Shiranui. Tsukyio travels the depths of Yomi, the land of Nippon and the Moon in an effort to make way for the Demon's rise to power. He creates cursed zones and hunts his light counterpart. After attacking Shiranui in Kamiki Village, the people begin to see him as a hero sent by the gods while elsewhere he is seen for what he really is.