Yozo TORII, the bakufu's metsuke (inspector of foot soldiers), hostilely viewed his opposition and targeted Shoshikai as he had heightened the sensitivity due to Oshio Heihachiro no ran (Rebellion of Oshio Heihachiro).
これを、大塩平八郎の乱で神経を尖らせていた幕府目付鳥居耀蔵が敵視し尚歯会に目をつけていた。