He was deeply relied on by Emperor Ninko, and negotiated with Edo bakufu (Japanese feudal government headed by a shogun) as buke tenso (liaison officers between the imperial court and the military government) after he was shown a plan to found gakumonjo (later Gakushuin University) by the Emperor.
仁孝天皇の信任が厚く、天皇より学問所（後の学習院大学）設置の意向を受けると、武家伝奏として江戸幕府と交渉した。