In 1773, Juzaburo opened a book store in front of "Yoshiwara Omon" (a main gate to Yoshiwara), and first sold and published "Yoshiwara Saiken" (Yoshiwara Guidebook which indicates the names of prostitutes of each shops); he started to be involved in publishing business.
安永2年（1773年）、重三郎は吉原大門の前に書店を開き、はじめは吉原細見（店ごとに遊女の名を記した案内書）の販売、出版から出版業に関わっていった。