Kenkyukai, on the other hand, merged Koin Club, to which many count members belonged, to control most count members in 1919, and in 1922, received count Fumimaro KONOE, who was regarded as a future leader in the House of Peers (and became a prime minister later), as a member and appointed as the leader of the standing committee, and kept expanding powers.
一方、研究会側も1919年に伯爵議員が多い甲寅倶楽部を合併して伯爵議員のほとんどを押さえ、続いて1922年には将来の貴族院指導者と目されていた近衛文麿公爵（後の内閣総理大臣）の入会させて筆頭常務委員につけるなど勢力拡大を続けた。