Oishi met Horibe at the residence of Chudaibu MAEKAWA located in Mita, Edo (current location of Mita Station, Minato Ward, Tokyo) and promised to carry out the plan in March of the next year, the first anniversary of Asano Takumi no Kami's death.
江戸三田（東京都港区(東京都)三田駅(東京都)）の前川忠大夫宅で堀部と会談し、浅野内匠頭の一周忌になる明年3月に決行を約束した。