After the House of Peers was established, there was a movement in formation of a faction within the Diet in accordance with the rank of a councilor, but it was not for baronial members, so the members in the Mokuyo-kai dispersed into every faction such as the Kenkyu-kai.
貴族院の成立後、議員の身分ごとに院内会派結成の動きが見られたが、男爵出身者にはこうした動きが見られず、木曜会→研究会などの各会派に分散していた。