He supported Emperor Komei as a general official of the Imperial Household in charge of State affairs, and put his effort into getting rid of people who were supporters of the doctrine of restoring the emperor (to power) and expelling the barbarians from the Imperial Palace.
国事御用掛として孝明天皇を補佐し、天皇が嫌悪した尊王攘夷派を朝廷から追放することに努めた。