He was promised to become the next shogun with the kanrei Katsumoto HOSOKAWA (the shogunal deputy of the Kanto region) as his guardian, and he took the younger blood-sister of Yoshimasa's official wife Tomiko HINO as his official wife.
そして管領の細川勝元を後見人として次期将軍を約束され、義政の正室・日野富子の実妹を正室に迎えた。