After the Onin War, however, Koreharu went to Suo Province seeking the support of Yoshitaka OUCHI, because he then lost ground to the Mibu family (family name was Ozuki) with which he competed for the position of Kanmu and the head of Ozuki clan.
だが、応仁の乱以後、官務と小槻氏宗家の地位を争う壬生家壬生家（小槻姓）に押されていた伊治は周防国の大内義隆を頼って下向する。