Kurozuka

thumb|right|180px|"Ōshū Adachigahara Hitotsu Ie no Zu" () by Tsukioka Yoshitoshi. This color print was banned by the Meiji government for "disturbing public morals." thumb|180px|right|"Kurozuka" from the Gazu Hyakki Yagyō by [[Toriyama Sekien]] Kurozuka (, "black mound") is the grave of an onibaba in Nihonmatsu, Fukushima Prefecture (previously Oodaira), Adachi District, or the legend of that onibaba. It lives in Adachigahara (the name of the eastern shore of Abukuma River as well as the eastern base of Mount Adatara) and it is told in legends as the "Onibaba of Adachigahara." The Kurozuka is actually the name of the mound in which this onibaba is buried, but nowadays it can also be used to refer to the onibaba as well. Also based on this legend are the noh titled Kurozuka, the nagauta and kabuki performance Adachigahara, and the kabuki jōruri Ōshū Adachigahara ().

==Legend== According to the Ōshū Adachigahara Kurozuka Engi () published by the temple Mayumisan Kanze-ji near Adachigahara, the legend of the onibaba is told as follows.