From his discontent with not being able to inherit his father's territories, he travelled to Kyoto in 1539 with 2,500 soldiers and was successful in obtaining it by force.
天文8年（1539年）には父の遺領を受けられなかったことに不満を持って、2,500の兵を率いて上洛し、力によってそれを手に入れることに成功した。