Akifusa joined forces with Hakuseki ARAI, a Confucian scholar, and Shogun Ienobu in a triumvirate, working to carry out policies (in what became known as the "Shotoku Suppression") to reduce the power of the Fudai daimyo (hereditary close vassals of the Shogun) of the best lineages as well as curtail the tremendous influence the Shogun's group of consorts (known as the "Ooku") wielded over the Shogun.
詮房は、将軍家宣・儒学者新井白石とのトロイカ体制で、門閥の譜代大名や将軍に対して強い影響力を有する大奥などの勢力をさばき、「正徳の治」を断行した。