On August 25, 1428, however, Seisho became dissatisfied with this and thus exiled from his residence in Saga (the present-day Kyoto City), looking to Mitsumasa KITABATAKE, who was an influential person of the Southern Court and appointed as Ise no kuni Kokushi (the governor of Ise Province), for help.
このことをきっかけに正長元年（1428年）7月6日、これに不満を持った聖承は伊勢国国司で南朝側の有力者である北畠満雅を頼って居所の嵯峨(京都市)から逃亡する。