In 1532, with the help from Ikko sect that hated Motonaga MIYOSHI who was a big patron of Hokke sect Harumoto attacked Motonaga MIYOSHI in Kenpon-ji Temple in Sakai and forced Motonaga to kill himself.
1532年に法華宗の大檀那であった三好元長を憎む一向宗の力を借り、三好元長を堺の顕本寺に攻めて自害に追い込んだ。