However, the Choshu clan was expelled from Kyoto in a coup called 'the political upheaval on August 18' (upheaval occurred on September 30 on the western calendar) launched jointly by the Emperor Komei, the court nobles supporting Kobu-Gattai, the Satsuma clan and the Aizu clan in 1863,.
しかし1863年（文久3年）に孝明天皇・公武合体派の公家・薩摩藩・会津藩による八月十八日の政変により京より追放される。