He was promoted very quickly as the family head of the Seiga family, and successively served as Palace staff, Ukone no Gon no shosho (Provisional Minor Captain of the Right Division of Inner Palace Guards) as well as Sakone gon no chujo (Provisional Middle Captain of the Left Division of Inner Palace Guards), and in 1776年, he became Jusanmi (Junior Third Rank), position which ranked with Kugyo (a Court noble).
以降清華家当主として速いスピードで昇進し、侍従・右近衛権少将・左近衛権中将をへて、安永5年（1776年）に従三位に達して公卿に列する。