Later, young members such as Mitsunobu AOKI (viscount) and Naoshi MIZUNO reviewed existing policies and brought up a plan called 'Dai Kenkyukai' (Great Kenkyukai) aiming at further expansion of the faction through cooperation with Seiyu-kai Party, coalition with other factions and inviting hereditary, nominated and large-tax-paying members to join the faction.
その後、青木信光(子爵)・水野直ら若手議員を中心にこれまでの路線を見直して政友会との連携や他会派との合併・世襲・勅撰・多額納税者議員の勧誘による更なる拡大を目指す「大研究会」構想などが浮上した。