Chikasue, who was associated with Nobunaga ODA, defeated the opposition powers within the territory including Katsuyori ASARI, and swept out the intervention of Daihoji clan from Yuri region.
愛季は織田信長とも誼を通じる一方、浅利勝頼ら領内の反抗勢力を滅ぼし、由利地方から大宝寺氏の干渉を駆逐した。