However, the Emperor disliked the strong connection between the Sonno Joi group and the Choshu clan, he suggested a purge to Kyoto-shugoshoku Katamori MATSUDAIRA (Aizu clan), then the Aizu clan and the Satsuma clan privately joined hands and on August 18 (according to the old lunar calendar) expelled the Choshu clan and sympathetic court nobles to Sonno Joi including Sanetomi SANJO from Kyoto (the August 18 Coup).
だが、尊攘派と長州藩の動きを嫌う天皇の意を受け、京都守護職の会津藩と薩摩藩が密かに手を結び、8月18日、三条実美ら尊攘派公家とを京都から追放した（八月十八日の政変）。