In May, Katsumoto successfully called on his allies nationwide, including Masanaga who had taken refuge in Hokuriku, to occupy Hana no Gosho, took into custody the Shogun and others on the pretext of protecting them from warfare, and invited the incumbent and retired emperors to Muromachi-dai.
5月、勝元は北陸に落ちていた政長を含む全国の同盟者に呼びかけ、花の御所を制し、戦火から保護するという名目で将軍らを確保、天皇、上皇を室町亭に迎える。