Then, a system was established wherein the Taira clan and the Sekkan-ke (the families which produced the Regent and the Chief Adviser to the Emperor) supported Emperor Rokujo, and Shigemori was appointed to Sahyoe no kami (Captain of the Left Division of Middle Palace Guards) in April, 1166, and was appointed to be Gon Chunagon (a provisional vice-councilor of state) and Uemon no kami (Captain of the Right Division of Outer Palace Guards) at the same time in July.
六条天皇を平氏と摂関家が支える体制が成立し、重盛は永万2年（1166年）4月に左兵衛督、7月には権中納言・右衛門督となった。