Apart from the coteries of Seikyo-sha, its members consisted of Ryohei UCHIDA (political activist) who found the Kokuryu-kai as well as Toten MIYAZAKI who supported the Chinese Revolution that Sun Yat-sen led to.
会員は政教社同人のほかに黒龍会の内田良平(政治運動家)、および孫文らの中国革命を援助した宮崎滔天らであった。