Nobunaga ODA, who conquered Owari, Mino, Ise and Omi Provinces, came up to Kyoto, making him Shogun Yoshiaki ASHIKAGA's servant; then he conquered the areas in and around Kyoto, and, in alliance with Ieyasu TOKUGAWA of Mikawa Province, promoted the seige of the Ishiyama Hongan-ji Temple (battles at Noda-jo Castle and Fukushima-jo Castle).
尾張国を平定し、美濃国、伊勢国、近江国へと進出した織田信長は将軍足利義昭を奉じて上洛し、三河国の徳川家康と同盟し畿内の平定や本願寺攻め（野田城・福島城の戦い）を進めていた。