Keywords: Nishikawa Sukenobu (1722) Fūryū iro hakkei Last volume Pages 7–8.jpg en Ukiyo-e print erotic shunga 1722 Ishigami Aki 2015 Nihon no shunga ehon kenkyū 日 の春画・艶 研究 Japanese shunga ehon research in Japanese Heibonsha ISBN 978-4-582-66216-0 Nishikawa Sukenobu other versions PD-old-70-1923 Nishikawa Sukenobu |