In July of 1532, Harumoto formed an alliance with Shonyo HONGANJI and Nagamasa KIZAWA and had Ikko-ikki (mobs of peasant farmers, monks, Shinto priests and local nobles who rose up against samurai) troops attack Motonaga in Sakai.
天文(元号)元年（1532年）6月、晴元は本願寺証如や木沢長政と結び、一向一揆に堺の元長を攻めさせる。