In 1910 ten members left from the Mokuyo-kai as well as others left one after another and consequently 17 members including Okinaga NAKAGAWA formed the Seiko-kai on February 13, so the Mokuyo-kai was disrupted.
1910年に10名が木曜会を離脱、その後も離脱者が続いて2月13日に中川興長ら17名で清交会（せいこうかい）を結成して木曜会は分裂した。