In 1335 he built Kanbaranotsu-jo Castle and, in 1336, based in Shimazaki-jo Castle, it fought along with the Ike clan, the Kawachi clan, the Kazama clan, the Ogi clan, the Chiya clan and the Takanashi clan against Takanaga IROBE and Kagetsuna KAJI on the part of Takauji ASHIKAGA's army, but the castle fell to the army.
建武(日本)2年（1335年）には蒲原津城を築城し、翌建武3年（1336年）には、池氏、河内氏、風間氏、於木氏、千屋氏、高梨氏らと島崎城に篭もり足利尊氏方の色部高長・加地影綱らと戦うが落城した。