Since such men were appointed to accompany the Imperial envoy that month, patriots from Choshu and Tosa Domains that became anxious for the loss of prestige in the Imperial Court stood together and decided to provoke heaven's punishment.
それがまた、この月の勅使に随行するというので、朝廷の威信失墜を懸念した長州藩・土佐藩両藩の志士が団結して天誅を加えることとした。