Hachibei, who is the second son of the third generation Tarozaemon, moved to and opened a pawnshop (shop name: Saitaniya) in the town around Kochi castle, and then became a wealthy merchant running a liquor shop and dealing with kimono fabrics and other goods.
寛文6年（1666年）3代目太郎左衛門の次男・八兵衛は高知城下にでて質屋を開業（屋号は才谷屋）し、酒屋、呉服等を扱う豪商となる。