Home › Monogatari › OnimonogatariOOnimonogatari by NisiOisin·2011· Book 9 of Monogatari Buy on Amazon About “Onimonogatari”Onimonogatari is a 2011 book by NisiOisin. It is book 9 of the series Monogatari.Book detailsFirst published2011← OtorimonogatariAll Monogatari books in orderKoimonogatari →