In February 1581, Daiki brought a message to Motoyuki NAKAJIMA, the lord of Tsuneyama-jo Castle in Bicchu Province as a messenger of Nobunaga ODA and demanded reinforcements for Nobunaga's army.
天正9年（1581年）2月に織田信長の使者として備中国経山城主中島元行に使いをし、信長方への加勢を要請。