However, he was charged with this, at the time of Ansei no Taigoku (suppression of extremists by the Shogunate) by the then Tairo (chief minister), Naosuke II, and he became the second person to be arrested.
しかしそれが時の大老・井伊直弼による安政の大獄で摘発され、二人目の逮捕者となってしまった。