Later, Ikko-shu conflicted with Sakai kubo leading to attacks, Harumoto received the cooperation of an opposing religious sect, the Hokke sect, to provoke the Hokke-Ikki Riots, and also attacked Yamashina Hongan-ji Temple allied with the Rokkaku clan in Omi in the territory where the Ikko sect was most active.
その後、一向宗は堺公方を襲撃するなど対立し、対立宗派の法華宗と協力して法華一揆を誘発させ、領内で一向宗の活動が活発であった近江の六角氏とも協力して山科本願寺を攻めた。