In July, Nariaki TOKUGAWA was ordered to be on his best behavior for the reason that he went to the Castle in an untimely manner, Yoshinaga MATSUDAIRA was ordered to be on his best behavior and made to retire, and Yoshinobu TOKUGAWA was ordered to be banned and to go to the castle; at first, they started to exercise their authority to oppress the Hitotsubashi group (this was the beginning of the Ansei no Taigoku (suppression of Sonjo group by Naosuke) in extensive interpretation).
7月には不時登城を理由に徳川斉昭に謹慎、松平慶永に謹慎・隠居、徳川慶喜に登城禁止を命じ、まず一橋派への弾圧から強権を振るい始めた（広義の安政の大獄開始）。