First, at the celebration party for opening the 'Post Bureau (not a 'Central Post Office' as some say but a central government office involved in postal services)' scheduled in December of that year, fire was to be set at some distance from the venue so that they could overthrow the high officials in the confusion to eliminate the Conservative Party.
まず、同年12月に開催が予定されていた「郵政局（郵政関連の中央官庁で、一部で言われるような「中央郵便局」等ではない）」の開庁祝賀パーティーの際、会場から少し離れたところに放火を行い、その後、混乱の中で高官を倒し守旧派を一掃。