In 1899, Enkichi succeeded to his father’s title of count (hakushaku) under the kazoku peerage system.
His political career began in 1908, when he was elected to the House of Peers.
He initially supported the Kenkyūkai, but soon switched his allegiance to the Rikken Seiyūkai.
[1] In 1923, he cooperated with Home Minister Tokonami Takejirō to introduce tightened anti-subversive legislature in response to increasing leftist agitation in the labor disputes, and the public emergence of the Japan Communist Party.
[2] Ōki was subsequently Railroad Minister under the Katō and Kiyoura administrations.