Kobayashi Eitaku (1843-1890), who often went by Sensai Eitaku, frequently contributed to Hasegawa Takejirō’s crepe-paper publications. He specialized in ukiyo-e and nihonga. Born before the Meiji era, he first started his career as an apprentice to Kanō-school painter Kanō Eishin at age twenty-one. He later worked as the official painter for Ii Naosuke of the Ii Clan of Hakone. This move granted Kobayashi samurai status. After Ii’s assassination in 1860, Kobayashi traveled before resettling in Nihonbashi, Tokyo–the place of his birth. He studied briefly under famous printmaker Tsukioka Yoshitoshi (1839-1892) to learn how to produce polychrome prints circa 1870, but the two parted ways after a disagreement. At this time, Kobayashi’s work became more commercial. He not only illustrated crepe-paper books, but also worked as a nishiki-e illustrator for several newspapers, including the Yokohama mainichi shimbun. He created various kinds of illustrations including battle scenes from the Seinan War in 1877. It is likely that Basil Hall Chamberlain provided the introduction between Hasegawa and Kobayashi. Prior to his early death at age forty-eight from lung disease in 1890, Kobayashi completed illustrations for fourteen of the first sixteen fairy tales in Hasegawa’s series.